Secret of the Wastelands(1941)

William Boyd

Hopalong Cassidy

Andy Clyde

California Carlson

Brad King

Johnny Nelson

Soo Yong

May Soong

Barbara Britton

Jennifer Kendall

Douglas Fowley

Slade Salters

Keith Richards

Clay Elliott

Richard Loo

Quan

Lee Tung Foo

Doy Kee

Gordon Hart

Malcolm Birdsall

Earl Gunn

Clanton

Ian MacDonald

Hollister

Derwin Abrahams

Director

Directing

Harry Sinclair Drago

Story

Writing

Gerald Geraghty

Screenplay

Writing

Clarence E. Mulford

Characters

Writing

Harry Sherman

Producer

Production

John Leipold

Music

Sound

Fred R. Feitshans Jr.

Editor

Editing

Ralph Berger

Art Direction

Art

Emile Kuri

Set Decoration

Art

Russell Harlan

Cinematography

Crew