Charles Fredericks worked in a variety of genres and built up a diverse and reputable career. Fredericks' career started with debut roles in the crime flick "Las Vegas Shakedown" (1955) with Dennis O'Keefe and the Richard Beymer dramatic adaptation "Adventures of a Young Man" (1962). Fredericks began to focus on film after appearing in the Jennifer Jones dramatic adaptation "Tender Is the Night" (1962), "The Cabinet of Caligari" (1962) with Dan O'Herlihy and the dramatic adaptation "To Kill a Mockingbird" (1962) with Gregory Peck. He also appeared in "My Fair Lady" (1964). Toward the end of his career, Fredericks acted in the comedy adventure "The Great Race" (1965) with Jack Lemmon.