Tom Conway
— Tom Martin
Delphi Lawrence
— Jean Larson
Brian Worth
— Geoffrey Blake
Michael Balfour
— Barney Wilson
Marianne Stone
— Mrs Wilson
Campbell Cotts
— Robert Coburn
John Horsley
— Det. Insp. Taylor
Ronan O'Casey
— Stefan Gordoni
Launce Maraschal
— J.D. Everleigh
Colin Tapley
— Lord Valchrist
Alan Gifford
— Henry Warburg
Grace Arnold
— Lady Hawksley
John Colicos
— Mustachioed Henchman (as John Collicos)
Mayura
— Yasmina
John Watson
— Detective Sgt. Grant
Reggie Morris
— Cleanshaven Henchman (as Reg Morris)
Derrick Whittingham
— Print Shop Manager