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Warren William
Michael Lanyard

Ruth Ford
Helene de Leon

Roger Clark
Paul Benoit

Victor Jory
'Dapper' Dan Streever

Eric Blore
Jamison

Thurston Hall
Inspector Crane

Fred Kelsey
Wesley Dickens

Victor Kilian
Colonel Costals

Marlo Dwyer
'Bubbles' Deegan

Lester Sharpe
Deputy Duval

Irving Mitchell
Mr. Evans

John Harmon
Bernard

Joe McGuinn
Bob Garth

Wheaton Chambers
Vanderbeek (uncredited)

Ken Christy
Doorman (uncredited)

James Conaty
Jewel Buyer (uncredited)