Before becoming a film and television actor, Turner was a popular leading young man in the theatre.

One of his roles was as the love interest of Stella Linden's Sadie Thompson in the 1949 tour of Rain, adapted from the short story by W. Somerset Maugham.

Uncredited, Turner provided the voice of the title character in the TV series The Invisible Man (1958–59), a loose adaptation of the 1897 novel by H. G.

[3] Later, Turner dubbed the voice of actor Todd Armstrong for the 1963 film Jason and the Argonauts.

[2] Between 1959 and 1963, Turner narrated most of the Look at Life series of short documentary films produced by the Rank Organisation.