William Tennant: Screenplay (Writing)1975-07-11

William Tennant: Producer (Production)1975-07-11

William Tennant: Story (Writing)1980-05-18

William Tennant: Producer (Production)1987-05-29

William Tennant: Producer (Production)1973-07-13

William Tennant: Executive Producer (Production)1981-11-13

William Tennant: Executive Producer (Production)1980-05-18