A MINA MISTERIOSA

William Boyd

Hopalong Cassidy

George 'Gabby' ...

Windy Halliday

Russell Hayden

Lucky Jenkins

Gwen Gaze

Ann Dennis

William Duncan

Buck Peters

Pat J. O'Brien

Frazier

Paul Sutton

Slade

John Beach

Denny Dennis

Joe De Stefani

Perkins

Walter Long

Pierce

Bruce Mitchell

Ross

Chuck Baldra

Miner

Dick Dickinson

Les Martin

Jack Evans

Evans

Milburn Morante

Townsman

Charles Murphy

Murphy

Frosty Royce

Frosty

Jim Toney

Miner

Blackjack Ward

Miner

Bob Woodward

Fred

Lesley Selander

Diretor(a)

Harry Sherman

Produtor(a)

Lewis J. Rachmi...

Art Direction

Robert B. Warwi...

Editor(a)

Russell Harlan

Cinematography

Harry Redmond J...

Special Effects

Arnold Belgard

Roteirista

Clarence E. Mul...

História

Harrison Jacobs

Additional Dialogue