Edward G. Robinson

Professor Richard Wanley

Joan Bennett

Alice Reed

Raymond Massey

Dist. Attorney Frank Lalor

Edmund Breon

Dr. Michael Barkstane

Dan Duryea

Heidt / Tim, the Doorman

Thomas E. Jackson

Inspector Jackson

Dorothy Peterson

Mrs. Wanley

George McFarland

Boy Scout who finds Mazard's Body

Robert Blake

Dickie Wanley

Arthur Loft

Claude Mazard / Frank Howard / Charlie the Hatcheck Man

Frank Dawson

Collins, the Steward

Frances Morris

Stenographer (uncredited)

Iris Adrian

Streetwalker (uncredited)

Brandon Beach

Man at Club (uncredited)

Paul Bradley

Man at Club (uncredited)

James Carlisle

Man at Club (uncredited)

Fred Hueston

Man at Club (uncredited)

Sheldon Jett

Man at Club (uncredited)

Jack W. Johnston

Man at Club (uncredited)

Charles Meakin

Man at Club (uncredited)

Harold Minjir

Man at Club (uncredited)

Wedgwood Nowell

Man at Club (uncredited)

Louis Payne

Man at Club (uncredited)

Scott Seaton

Man at Club (uncredited)

Wyndham Standing

Man at Club (uncredited)

Larry Steers

Man at Club (uncredited)

Don Brodie

Onlooker at Gallery (uncredited)

Frank Melton

Onlooker at Gallery (uncredited)

Claire Carleton

Blonde (uncredited)

Eddy Chandler

Police Driver (uncredited)

Tom Dillon

Police Officer Dillon (uncredited)

Freddie Chapman

Boy with Mother (uncredited)

Alec Craig

Garage Man (uncredited)

Hal Craig

News Vendor (uncredited)

Joe Devlin

Toll Collector on Henry Hudson Parkway (uncredited)

Ralph Dunn

Traffic Cop (uncredited)

Bess Flowers

Bar Patron (uncredited)

Jack Gardner

Fred, the District Attorney's Chauffeur (uncredited)

Jack Gargan

Club Steward (uncredited)

James Harrison

Club Steward (uncredited)

Fred Graham

Motorcycle Cop (uncredited)

Tom Hanlon

Radio Announcer (uncredited)

Harry Hayden

Pharmacist (uncredited)

Donald Kerr

First Elevator Operator (uncredited)

Frank McLure

Elevator Operator (uncredited)

Frank Mills

Charlie the Garage Helper (uncredited)

Anne O'Neal

Mother by Elevator (uncredited)

Dave Pepper

Club Member (uncredited)

Fred Rapport

Club Manager (uncredited)

Alexander Pollard

William the Headwaiter (uncredited)

Arthur Space

Captain Kennedy (uncredited)

Anne Loos

Stenographer