Dick Powell

as Mark Christopher

as James Lee Bartlow

as Rex Shepherd

as John Kennedy

as Lt. John Martin Haven

as John Forbes

as Commissioner Michael Barrows

as Johnny O'Clock

as Laurence Gerard

as Philip Marlowe

as Lawrence 'Larry' Stevens

as Dick Powell

as Thomas Halstead

as Jimmy McDonald

as Ronnie Bowers

as Rosmer Peck

as Eric Land

as Lysander

as Dick Curtis

as Dick "Canary" Dorcy

as Jimmy Higgens

as Tommy

as Phil "Sarge" Sargeant

as Scotty

as Brad

as Billy Lawler