Charles Quigley
Bob Lane
Joyce Bryant
Patricia Benson
Forrest Taylor
Anton Benson
Walter Sande
Jack Strong
Norman Willis
Roy Benson
Alex Callam
James Benson
Charles King
Silk Langdon
James C. Morton
Casey
Hal Price
O'Malley
Richard Alexander
Henchman
Lloyd Ingraham
Managing Editor
Frank LaRue
Inspector Cramer
Knox Manning
Narrator (voice)
Jack Perrin
Mine Guard
Marin Sais
Hannah - Silk's Housekeeper
Cy Schindell
Henchman Red
James Metcalfe
Culver Benson
Allen Doone
Simon Leach
Edythe Elliott
Milly Leach
John Beck
Gyves
Eddie Hart
Henchman Jake
Ted Mapes
Henchman Slim
