The Secret of the Whistler

Richard Dix

Ralph Harrison

Leslie Brooks

Kay Morrell

Michael Duane

Jim Calhoun

Mary Currier

Edith Marie Harrison

Mona Barrie

Linda Vail

Ray Walker

Joseph Aloysius 'Joe' Conroy

Claire Du Brey

Laura - Harrison's Servant

John Hamilton

McLaren aka Mac (uncredited)

Byron Foulger

Jorgensen (uncredited)

Ernie Adams

Arthur Space

Fred 'Snowflake' Toones

Charles Trowbridge

Barbara Wooddell

Raymond L. Schrock

Screenplay

Dwight Caldwell

Editor

Allen G. Siegler

Director of Photography

George Sherman

Director

Rudolph C. Flothow

Producer

Richard H. Landau

Screenplay

Herschel Burke Gilbert

Music

Der Whistler

Das Zeichen des Whistlers

Die Macht des Whistler

Voice of the Whistler

Der geheimnisvolle Gast

The Secret of the Whistler

The Thirteenth Hour

Die Rückkehr des Whistler

Die Schlacht um Anzio

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