George Sanders

~ as ~

Simon Templar

Helene Reynolds

~ as ~

Anne Bitts

Jonathan Hale

~ as ~

Inspector Henry Fernack

Bela Lugosi

~ as ~

Partner

Donald MacBride

~ as ~

Inspector John H. Bohlen

John F. Hamilton

~ as ~

Limpy

Thomas W. Ross

~ as ~

Professor Horatio T. Bitts

Elliott Sullivan

~ as ~

Monk 'Warren'

Stanley Blystone

~ as ~

Detective Sadler (uncredited)

Ralph Dunn

~ as ~

Police Sergeant (uncredited)