British supporting actor Richard Caldicot found success on stage, screen, radio, and television. He debuted in theater in a 1929 production of Journey's End, but he did not become a star until 1947, when he appeared in a stage production of Edward My Son. He made his film debut in The Million Dollar Pound Note (1954). Other film credits include A Question of Adultery (1958), The Court Martial of Major Keller (1961), and The Spy Who Came in from the Cold (1965). Caldicot's television resumé includes appearances on Oh, Brother, Fawlty Towers, and The Avengers.