Edward James Olmos (born February 24, 1947) is an Emmy-winning and Oscar-nominated American actor, of Mexican descent, best known for his roles of Lt. Martin Castillo in "Miami Vice", Jaime Escalante in "Stand and Deliver" and Admiral William Adama in the "Battlestar Galactica" re-imagined series.

Mary McDonnell (born April 28, 1952) is an Academy Award-nominated American film, stage, and television actress. She is most famous from her Oscar-nominated role in "Dances with Wolves" and starring as President Laura Roslin in "Battlestar Galactica".

This British star, became famous with American audience only after his role as Apollo on the new Battlestar Galactica. Born in Hammersmith, London in April 1973. He grew up in France. When 8 his family moved back to UK. He has five brothers and one sister. Jamie's parents got divorced when he was twenty years old. Bamber was educated at the St Paul's School in Barnees, London, and received an honours degree in Modern Languages from St John's College, Cambridge.

Kathryn Ann Sackhoff (born April 8, 1980 in Portland, Oregon), better known as Katee Sackhoff, is an American actress. She currently stars as Captain Kara "Starbuck" Thrace on the Sci Fi Channel television program "Battlestar Galactica". In 2004 she was nominated for a Saturn Award in the "Best Supporting Actress in a Television Series" category for her work in the "Battlestar Galactica" miniseries.

James Callis (born June 4, 1971 in London) is a British actor. He is known for playing Dr. Gaius Baltar in "Battlestar Galactica". He also appeared in "Bridget Jones's Diary" and the sequel "Bridget Jones: The Edge of Reason".

Aaron Douglas (born August 23, 1971 in New Westminister, British Columbia, Canada) is a Canadian actor. He currently stars as Chief Petty Officer Galen Tyrol on the Sci Fi Channel television program "Battlestar Galactica".

Tricia Helfer (born April 11, 1974), is a Canadian supermodel and actress best known as Number Six in "Battlestar Galactica".

Grace Park (born March 14 1974) is a American-Canadian actress of Korean descent. She is best known as Sharon Valerii (and the various iterations of Number Eight, a humanoid Cylon) on "Battlestar Galactica", as well as Shannon Ng in the Canadian television series teen soap "Edgemont". Born in Los Angeles, California, Park and her family moved to Canada when she was 22 months old. She was raised in a Korean community in Vancouver.

Kandyse McClure (b. 1980 in the Republic of South Africa) is a resident-Canadian actress. Born and raised in South Africa, she became a popular young star through the teen-oriented Fox Family series "Higher Ground" (along with Hayden Christensen), as well as the NBC's Saturday-morning series "Just Deal". She scored a lead role with her first ever audition, playing opposite Lou Diamond Phillips in the 1999 telefilm "In a Class of His Own".

Lucy Lawless (born Lucille Frances Ryan on March 29, 1968 in Mount Albert) is a New Zealand actress and singer best known for her role as Xena on the television series "Xena: Warrior Princess" from 1995 to 2001. Lawless is the fifth of seven children born to Frank and Julie Ryan. She has five brothers and one sister. Lucy began acting in secondary school. At Auckland University, she studied foreign languages for a year.

Michael Hogan (born in Kirkland Lake, Ontario, Canada) is a Canadian actor of Irish descent. Hogan currently stars as Colonel Saul Tigh, Executive Officer of the Battlestar Galactica on the Sci Fi Channel television programme "Battlestar Galactica". Among his prior television work is his role as Tony Logozzo in "Cold Squad". Hogan also starred in the 1985 children's film, "The Peanut Butter Solution".

Nicki Clyne is a Canadian actress currently starring as Specialist Cally (Henderson) Tyrol on the Sci Fi Channel television program "Battlestar Galactica".

Kate Vernon (born c. 1961) is a Canadian-born film and television actress. She is best known for her role as Lorraine Prescott on the CBS soap opera "Falcon Crest" from (1984 - 1985), and for her role as the stuck -up Benny Hanson in the comedy film "Pretty in Pink" (1986). Vernon was briefly a regular on "Who's the Boss?" in 1990 as a girlfriend of Tony Micelli (Tony Danza).

Rekha Shanti Sharma (born in Vancouver, British Columbia) is a Canadian actress. She has been a repeat guest star in the Canadian television series "Da Vinci's City Hall", and is currently appearing in "Battlestar Galactica" as Tory Foster. She has also appeared on "John Doe", "Smallville" and "Dark Angel".

Richard Hatch (b. May 21, 1945 in Santa Monica, California) is an American actor best known for his role of Captain Apollo on the original "Battlestar Galactica" movie and television series, for which he received a Golden Globe Award nomination. He began his theatrical career with the Los Angeles Repertory Theater. He starred off-Broadway in several plays and musicals and won the Obie Award for his work in "PS Your Cat Is Dead" in Chicago.

Paul Campbell (born June 22, 1979 in Vancouver, British Columbia, Canada) is a Canadian actor. He is best known for portraying the role of Billy Keikeya on the Sci Fi Channel television program "Battlestar Galactica". Campbell also plays Will in the internet series Nobody's Watching, which was filmed as a pilot for the WB, and later led to internet fame via YouTube video posts.

Alessandro Juliani is a Canadian actor and singer. He currently stars as Tactical Officer Lieutenant Felix Gaeta on the Sci Fi Channel television program "Battlestar Galactica". He is a graduate of McGill University in Montreal, where he earned a Bachelor of Music in Vocal/Opera Performance. He is the son of producer, actor and writer John Juliani. During his time at McGill's Faculty of Music Juliani was known for his pleasant baritone voice, accurate intonation, …

Lorena Gale is a Canadian actress, director, and writer. She has been active in stage, movie, and television acting since the 1980s. She is the author of two award-winning plays, "Angélique" and "Je me souviens". Gale is also a wife and mother. Recently, Gale has acted in several A-list movies, including "Fantastic Four", "The Chronicles of Riddick", and "The Exorcism of Emily Rose".

Michelle Forbes (born Michelle Renee Forbes Guajardo on January 8, 1965 in Austin, Texas) is an American actress. Forbes is best known for her television work on shows such as "Star Trek: The Next Generation", "Homicide: Life on the Street", "24", "Battlestar Galactica" and "Prison Break".

Donnelly Rhodes (born December 4 1937 in Winnipeg, Manitoba) is a Canadian actor. He currently stars as Doctor Cottle on the Sci Fi Channel television program "Battlestar Galactica". Before "Battlestar Galactica" he was probably best known to American audiences as the lovestruck, hapless escaped convict "Dutch Leitner" on the 1970s soap-opera spoof "Soap".

Tahmoh Penikett (born May 20, 1975 in Whitehorse, Yukon, Canada) is a Canadian actor. He currently stars as Captain Karl "Helo" Agathon on the Sci Fi Channel television program "Battlestar Galactica". Among his previous work are stints on assorted Canadian TV series such as Cold Squad. He has also done some work on Smallville, appearing in the episode Resurrection in Season 3, and appearing in the Season 6 episodes Nemesis and Prototype.

Callum Keith Rennie possessed such a captivating screen presence and strong air of familiarity when he first appeared on the Canadian film scene in 1994 that it was hard not to believe he hadn't always been around .

Luciana Carro (born March 23, 1981 in Toronto) is a Canadian actress of Italian descent. Being a shy girl her parents encouraged her to go into acting which she did. She moved to Vancouver in 2000 to become a professional actress and started out in TV series like "The Chris Isaak Show", "Smallville" and "The L Word". These led to her getting a part in the re-imagined "Battlestar Galactica" TV series as Louanne "Kat" Katraine, …

Dean Stockwell (born March 5, 1936) is an Academy Award-nominated American film and television actor, active for over 60 years. He played Rear Admiral Albert "Al" Calavicci in the NBC television series "Quantum Leap", and currently appears in the Sci Fi Channel-Sky TV revival of "Battlestar Galactica" as Brother Cavil.

Rick Worthy (born March 12, 1967) is an American actor best known for his appearances in three "Star Trek" series and "Star Trek: Insurrection". His largest "Star Trek" role was a Jannar in "Star Trek: Enterprise"'s third season. He had previously guest starred in the "Star Trek: Deep Space Nine" episode "Soldiers of the Empire". He also played several characters in "Star Trek: Voyager".

William James Remar (born December 31 1953) is an American actor. He has appeared in 98 different media projects, either movies, video games or TV shows. He is perhaps most familiar as Richard, the on-off tycoon boyfriend of Kim Cattrall's character in "Sex and the City". Remar was born in Boston, Massachusetts. Largely due to his somewhat intimidating physical appearance Remar has spent the majority of his film career playing villains.

John Heard (born March 7, 1945 or 1946) is an American actor.

David Weddle is an American writer, best known for writing episodes of "Star Trek: Deep Space Nine" and "Battlestar Galactica" with Bradley Thompson.

Dominic Zamprogna is a Canadian actor hailing from Hamilton, Ontario, Canada. He was born on April 21, 1979. He is the brother of Gema Zamprogna and twin of Amanda Zamprogna (both are actresses).

Kerry Norton (born in 1973 in Sunbury, Middlesex) is an English actress. Earlier in her life, Norton was a budding gymnast. Norton is married to English actor Jamie Bamber Griffith, and they have three daughters: Isla Elizabeth Angela Griffith, and twins Darcy and Ava. She has two sisters, Jackie and Lorraine (married to Surrey cricketer Martin Bicknell) and a brother named Matthew. In 2005 she recorded an album of covers, titled "Young Heart".