Басты рөлдер
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