Peter Brocco
as
Dr. Gustav
William Schallert
as
Johnston - a Reporter
Hal Baylor
as
Max - Spy-Henchman
Robert Aldrich
Director
Kim Darby
as
Barbara Blandish
Hal Baylor
as
Chief McLaine
Raymond Guth
as
Farmer
Chuck Hayward
as
Deputy
Trevor Bardette
as
Rufe Ramseur
Hal Baylor
as
Rufe Ramseur Jr.
Jack Kenny
as
Townsman
William Hudson
as
Marine
Forrest Tucker
as
Pfc. Al Thomas
John Agar
as
Pfc. Peter Conway
Hal Baylor
as
Pvt. 'Sky' Choynski
L.Q. Jones
Director
Alvy Moore
as
Doctor Moore
Michael Rupert
as
Gery
Hal Baylor
as
Michael
Don Johnson
as
Vic
Patrick Wayne
as
Bob Leslie
Hal Baylor
as
Foreman
Michael Ansara
as
Oliver Red Fern
Valentin de Vargas
as
Sam Eagle Speaker