Lon Chaney Jr.
Kharis
Peter Coe
Dr. Ilzor Zandaab
Virginia Christine
Princess Ananka
Kay Harding
Betty Walsh
Dennis Moore
Dr. James Halsey
Martin Kosleck
Ragheb
Kurt Katch
Cajun Joe
Addison Richards
Maj. Pat Walsh
Holmes Herbert
Dr. Cooper
William Farnum
The Sacristan
Charles Stevens
Achilles
Napoleon Simpson
Goobie
Eddie Abdo
Pierre (uncredited)
Enrique Acosta
Bit (uncredited)
Julius Aicardi
Bit (uncredited)
Sam Appel
Bit (uncredited)
Eumenio Blanco
Worker (uncredited)
Nina Bara
Young Cajun Woman at Cafe (uncredited)
Oscar Blank
Bit (uncredited)
Budd Buster
Cajun standing at bar, smoking pipe (uncredited)
Sam Calpriest
Bit (uncredited)
Henry Carr
Bit (uncredited)
Steve Cavalieri
Bit (uncredited)
Bert Cefali
Bit (uncredited)
Ann Codee
Tante Berthe (uncredited)
James Crane
The Pharaoh in Flashback (archive footage / uncredited)
John Dako
Bit (uncredited)
Rod De Medici
Bit (uncredited)
Ray De Ravenne
Bit (uncredited)
Armand Delmar
Bit (uncredited)
George L. Derrick
Bit (uncredited)
Heenan Elliott
Construction Worker (uncredited)
Ted Elliott
Bit (uncredited)
Al Ferguson
Construction Worker (uncredited)
Arthur J. Flaven
Bit (uncredited)
Jay Gerard
Bit (uncredited)
Otto Gervice
Bit (uncredited)
Cliff Herd
Bit (uncredited)
Herbert Heywood
Hill - Foreman (uncredited)
John Impolito
Bit (uncredited)
Boris Karloff
Kharis in Flashback (archive footage / uncredited)
Manuel Lopez
Bit (uncredited)
Jack Lorenz
Bulldozer Driver (uncredited)
John Marlin
Bit (uncredited)
Earl Montgomery
Bit (uncredited)
Mike Morelli
Barfly (uncredited)
Anthony Natale
Bit (uncredited)
Ernesto Palmese
Bit (uncredited)
Dario Piazza
Bit (uncredited)
Paul Rochin
Bit (uncredited)
Joe Rubino
Bit (uncredited)
Tony Santoro
Ulysses (uncredited)
Hector V. Sarno
Cajun in Cafe (uncredited)
Phil Shepard
Bit
Renato Siauss
Bit (uncredited)
Charles Soldani
Barfly (uncredited)
Armand Tanny
Bit (uncredited)
Sid Troy
Bit (uncredited)
Tom Tyler
Kharis in Flashback (archive footage / uncredited)
Ernesto Zambrano
Bit (uncredited)