Alias Mary Smith

A young woman trying to obtain proof that a gangster committed a murder is befriended by a playboy who drinks just a bit too much.

Blanche Mehaffey

Mary Smith

John Darrow

Robert Hayes

Gwen Lee

Blossom

Raymond Hatton

Scoop

Alec B. Francis

Attorney

Ben Hall

Jake

Henry B. Walthall

Atwell

Myrtle Stedman

Mrs. Hayes

Jack Grey

Detective Dan Kearney

Edmund Breese

Mr. Hayes

Matthew Betz

Snowy Hoagland

Lionel Backus

Hood (uncredited)

Harry Strang

Detective Bosco Yaeger

Jack Cheatham

Cop (uncredited)

George Chesebro

Mac (uncredited)