He appeared in many British and Australian television series and films, which include Doctor Who, The Vulture, The Avengers, Department S, Robbery Under Arms, Playing Beatie Bow and others.
His theatre work included "King John", "The Royal Hunt of the Sun", "The Master Builder" and other plays.
Caddick was educated at the Royal Central School of Speech and Drama, graduating in 1955.
[3] By the early 1970s, he had given up acting to become a teacher[4] and soon emigrated to Australia.
There, Caddick worked as a radio actor and writer, penning scripts for The Sunday Play,[5][6] with a brief return to screen acting in the 1980s.