Marty Allen
Marty Johnson
Steve Rossi
Steve
John Williams
J. Fredrick Duval
Nancy Sinatra
Micheline
Thordis Brandt
Fred Johnson, GGI Agent
Lou Jacobi
Papa Leo
Theo Marcuse
Zoltan Schubach
Carmen Dell'Orefice
Baby May Zoftig
Ben Lessy
Harry
Sig Ruman
Prof. Werner von Koenig
Larry Duran
Them II
Wilhelm von Homburg
GGI Man
Harvey Korman
German Colonel
Edy Williams
Edy
Phyllis Davis
Beautiful Girl (uncredited)
Madge Blake
Middle-Aged Lady at Topless a Go-Go (uncredited)
Almira Sessions
Middle-Aged Lady at Topless a Go-Go (uncredited)
Victoria Carroll
Female Approaching Umbrella (uncredited)
Kay Hughes
Book Ends (uncredited)
Connie Sawyer
Florence (uncredited)
Robert Goodwin
Ngumba Nurumbru (uncredited)
Loren Ewing
GGI Man
Remo Pisani
Them I
MaKee K. Blaisdell
King (uncredited)
Fred Carson
Zoltan's Bodyguard (uncredited)
William Yip
Chinese Man (uncredited)
