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

?

Mary Moore

Marcia

John Davidson

Emperor of Mars

?

Joe Whitehead

Carl Stewart

Emmett Vogan

Saunders

George M. Carleton

Dr. Paul Meredith

Kenne Duncan

Charles Mitchell

?

Rosemonde James

Helen

Monte Hale

Dr. Harvey