Christopher Olsen's acting career took off when he was a mere six years old. Olsen started off his career in film with roles in the dramedy "My Pal Gus" (1952) with Richard Widmark, "The Long, Long Trailer" (1954) and the William Bendix crime picture "Crashout" (1955). Olsen next focused his career on film, appearing in the James Mason drama "Bigger Than Life" (1956), the Glenn Ford western "The Fastest Gun Alive" (1956) and "The Man Who Knew Too Much" (1956). He also appeared in the Randolph Scott dramatic adaptation "The Tall T" (1957) and the dramatic adaptation "The Tarnished Angels" (1958) with Rock Hudson. More recently, Olsen worked on "Gods and Monsters" (1998) with Ian McKellen.