Johan Heinrich (Joop) Doderer (August 28, 1921 - September 22, 2005) was a Dutch actor, well known for his role as the tramp "Swiebertje" in the eponymous television series. The series ran for 17 seasons between 1955 and 1975, and was broadcast by the NCRV. Beside the role as "Swiebertje", Doderer played in dozens of radio and television programs, he played the role of Alfred Doolittle in My Fair Lady, acted in Dutch and English movies, … Wikipedia
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After his studies at the HBS he did an entrance exam for the school of acting but he failed. In spite of that he didn't give up and soon he was accepted in "het Nederlandsch toneel" and there he made his debut in Waremar. He had a few jobs on the side tha www.imdb.com/name/nm0230182/