Dan Frischman (born April 23, 1959 in Whippany, New Jersey) is an American character actor, noted for his many roles of playing socially inept "geeks" and "nerds". Mr. Frischman's birthdate is often listed as being 1964, as early in his career his acting agent had him practice age fabrication to seem five years younger which made him more eligible for teenaged acting roles. Wikipedia
The definitive Wikipedia entry for Dan Frischman. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Dan_Frischman