The Whistler

Richard Dix

Earl C. Conrad

Gloria Stuart

Alice Walker

J. Carrol Naish

The Killer

Alan Dinehart

Gorman

Trevor Bardette

The Bum in the Next Bed (Uncredited)

William Benedict

The Deafmute (Uncredited)

Charles Coleman

Jennings, Butler (Uncredited)

Clancy Cooper

Telephone Repairman (Uncredited)

Don Costello

Lefty Vigran aka Gorss (Uncredited)

Ralph Dunn

Cop at Car Accident (Uncredited)

Otto Forrest

The Whistler (Uncredited)

Byron Foulger

Flophouse Desk Clerk (Uncredited)

Dick Gordon

Tomley's Assistant (Uncredited)

Robert Homans

Dock Watchman (Uncredited)

Jack Ingram

Police Detective in Alley (Uncredited)

Robert Emmett Keane

Charles 'Charlie' McNear (Uncredited)