Reparto (24)
Robert Beatty
Bob Beacham
Rona Anderson
Mary Game
Clifford Evans
Tom Harmon
Edward Lexy
Det. Insp. Charlton
No disponible
Olga Lindo
Olive Tavy
Daphne Padel
Self - The Twenty Questions Team
No disponible
Jeanne De Casalis
Self - The Twenty Questions Team guest artiste
Jack Train
Self - The Twenty Questions Team
No disponible
Stewart MacPherson
Self - The Twenty Questions Team
No disponible
Norman Hackforth
Self - The Twenty Questions Team 'Mystery Voice'
No disponible
Richard Dimbleby
Self - The Twenty Questions Team
No disponible
Harold Scott
Maurice Emery KC
No disponible
Liam Redmond
Echo News editor
Homi Bode
Mohammed Ali
No disponible
Kynaston Reeves
Gen. Maitland
Sonya O'Shea
Stewart MacPherson's secretary
No disponible
Frederick Leister
Police Commissioner
Wally Patch
Police Officer 'Tiny' White
John Salew
John Grimshaw
Gordon McLeod
Record News editor
Philip King
Cheshire Cheese waiter
No disponible
Arthur Young
Doctor
Merle Tottenham
Mrs. Tavy's Neighbour (uncredited)
Meadows White
Frederick 'Ricky' Tavey (uncredited)
No disponible