On screen
Cast
18 credited performers
Tom Conway
Tom Martin
Delphi Lawrence
Jean Larson
Brian Worth
Geoffrey Blake
Michael Balfour
Barney Wilson
Marianne Stone
Mrs Wilson
Artwork unavailable
Campbell Cotts
Robert Coburn
John Horsley
Det. Insp. Taylor
Ronan O'Casey
Stefan Gordoni
Artwork unavailable
Launce Maraschal
J.D. Everleigh
Colin Tapley
Lord Valchrist
Alan Gifford
Henry Warburg
Grace Arnold
Lady Hawksley
John Colicos
Mustachioed Henchman (as John Collicos)
Artwork unavailable
Mayura
Yasmina
Artwork unavailable
John Watson
Detective Sgt. Grant
Artwork unavailable
Reggie Morris
Cleanshaven Henchman (as Reg Morris)
Artwork unavailable
Derrick Whittingham
Print Shop Manager
Artwork unavailable
Charles Hammond
Character not listed