Professor Richard Wanley

Alice Reed

Dist. Attorney Frank Lalor

Dr. Michael Barkstane

Heidt / Tim, the Doorman

Inspector Jackson

Mrs. Wanley

Claude Mazard / Frank Howard / Charlie the Hatcheck Man

Collins, the Steward

Dickie Wanley (uncredited)

Stenographer (uncredited)

Streetwalker (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Man at Club (uncredited)

Onlooker at Gallery (uncredited)

Onlooker at Gallery (uncredited)

Blonde (uncredited)

Police Driver (uncredited)

Police Officer Dillon (uncredited)

Boy with Mother (uncredited)

Garage Man (uncredited)

News Vendor (uncredited)

Toll Collector on Henry Hudson Parkway (uncredited)

Traffic Cop (uncredited)

Bar Patron (uncredited)

Fred, the District Attorney's Chauffeur (uncredited)

Club Steward (uncredited)

Club Steward (uncredited)

Motorcycle Cop (uncredited)

Radio Announcer (uncredited)

Pharmacist (uncredited)

First Elevator Operator (uncredited)

Elevator Operator (uncredited)

Boy Scout who finds Mazard's Body (uncredited)

Charlie the Garage Helper (uncredited)

Mother by Elevator (uncredited)

Club Member (uncredited)

Club Manager (uncredited)

William the Headwaiter (uncredited)

Captain Kennedy (uncredited)

Stenographer