Cornel Wilde character Leonard Diamond
Jean Wallace character Susan Lowell
Brian Donlevy character Joe McClure
Richard Conte character Mr. Brown
Lee Van Cleef character Fante
Earl Holliman character Mingo
Robert Middleton character Police Capt. Peterson
Helen Walker character Alicia Brown
Jay Adler character Detective Sam Hill
John Hoyt character Nils Dreyer
Ted de Corsia character Ralph Bettini
Helene Stanton character Rita
Roy Gordon character Audubon
Baynes Barron character Young detective
James McCallion character Frank - Lab technician
Tony Michaels character Photo technician
Rita Gould character Nurse
Bruce Sharpe character Detective
Michael Mark character Fred (hotel clerk)
Donna Drew character Miss Hartleby
Brian O'Hara character Attorney Malloy
Steve Mitchell character Bennie Smith, Boxer
