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