This is a shortened version of the 1945 Republic serial "The Purple Monster Strikes," which was released to television in 1966.This is a shortened version of the 1945 Republic serial "The Purple Monster Strikes," which was released to television in 1966.This is a shortened version of the 1945 Republic serial "The Purple Monster Strikes," which was released to television in 1966.
Dennis Moore
- Craig Foster
- (archive footage)
Linda Stirling
- Sheila Layton
- (archive footage)
Roy Barcroft
- The Purple Monster
- (archive footage)
James Craven
- Dr. Cyrus Layton
- (archive footage)
Bud Geary
- Hodge Garrett
- (archive footage)
Mary Moore
- Marcia
- (archive footage)
John Davidson
- The Emperor of Mars
- (archive footage)
Joe Whitehead
- Carl Stewart
- (archive footage)
Emmett Vogan
- Saunders
- (archive footage)
George M. Carleton
- Paul Meredith
- (archive footage)
- (as George Carleton)
Kenne Duncan
- Charles Mitchell
- (archive footage)
Rosemonde James
- Helen
- (archive footage)
Monte Hale
- Harvey
- (archive footage)
Wheaton Chambers
- Prof. Benjamin
- (archive footage)
Fred Howard
- Prof. Crandall
- (archive footage)
- (as Frederic Howard)
Anthony Warde
- Tony
- (archive footage)
Ken Terrell
- Andy Martin
- (archive footage)
Robert Blair
- Evans
- (archive footage)
- (uncredited)
