The Twenty Questions Murder Mystery

Robert Beatty Bob Beacham Rona Anderson Mary Game Clifford Evans Tom Harmon Edward Lexy Det. Insp. Charlton Olga Lindo Olive Tavy Daphne Padel Self - The Twenty Questions Team Jeanne De Casalis Self - The Twenty Questions Team guest artiste Jack Train Self - The Twenty Questions Team Stewart MacPherson Self - The Twenty Questions Team Norman Hackforth Self - The Twenty Questions Team 'Mystery Voice' Richard Dimbleby Self - The Twenty Questions Team Harold Scott Maurice Emery KC Liam Redmond Echo News editor Homi Bode Mohammed Ali Kynaston Reeves Gen. Maitland Paul L. Stein Director Victor Katona Screenplay Gerald Thomas Editor Patrick Kirwan Screenplay Don Russell Art Direction Hans May Original Music Composer Ernest Palmer Director of Photography Hal Britten Camera Operator Victor Katona Producer John O'Gorman Makeup Artist Jane Seymour Makeup & Hair