The Purple Monster Strikes

Roy Barcroft

The Purple Monster

Dennis Moore

Craig Foster

Linda Stirling

Sheila Layton

James Craven

Dr. Cyrus Layton

Bud Geary

Hodge Garrett

John Davidson

Emperor of Mars

Emmett Vogan

Saunders

George M. Carleton

Dr. Paul Meredith

Kenne Duncan

Charles Mitchell

Monte Hale

Dr. Harvey

Mary Moore

Marcia

Joe Whitehead

Carl Stewart

Rosemonde James

Helen