Sydney Greenstreet as Jerome K. Arbutny

Geraldine Fitzgerald as Crystal Shackleford

Peter Lorre as Johnny West

Joan Lorring as Icey Crane

Robert Shayne as Bertram Fallon

Marjorie Riordan as Janet Elliott

Arthur Shields as Prosecutor

Rosalind Ivan as Lady Rhea Beladon

John Alvin as Junior Clerk

Peter Whitney as Timothy Delaney aka Gabby

Alan Napier as David Shackleford

Clifford Brooke as Senior Clerk

Doris Lloyd as Mrs. Proctor

Norman Ainsley as Mr. Giesing

Edward Biby as Man on the Street

Benny Burt as Drunken Stranger

Woody Chambliss as Man in Pub

Tom Coleman as Pub Patron

Alec Craig as Man on Park Bench

Cyril Delevanti as Stockbroker (Voice)

Leslie Denison as Detective

Creighton Hale as Man in Pub

Sam Harris as Magistrate

Holmes Herbert as Sir Robert

Keith Hitchcock as Donald Fry

Leyland Hodgson as Police Inspector in Pub

Olaf Hytten as Prison Turnkey

Fred Kelsey as Man on the Street / Man in Pub

Colin Kenny as Alfred, Innkeeper / Bartender

Connie Leon as Flower Woman

Stanley Logan as 'Major' George Alfred Beach

Jeffrey Sayre as Waiter

Reginald Sheffield as Hotel Clerk

Leo White as News Hawker

Eric Wilton as Bailiff

Ian Wolfe as Gillkie the Barrister

John Burton as Narrator

Tom Pilkington as Man in Pub

Stanley Mann as Newshawker

Thomas Martin as Reporter in Courtroom