Robert Conrad
Jim West
Ross Martin
Artemus Gordon
Jonathan Winters
Prof. Albert Paradine II
Harry Morgan
Robert T. 'Skinny' Malone
René Auberjonois
Capt. Sir David Edney
Randi Brough
Yvonne
Candi Brough
Daphne
Victor Buono
Dr. Henry Messenger
Liz Torres
Juanita
Emma Samms
Mirabelle Merriwether
Joyce Brothers
The Bystander
Jack LaLanne
Physical Fitness Trainer
James Bacon
The Wheelman
Sandy Helberg
Aide #1
Richard Hawk
Aide #2
Joe Alfasa
Italian Ambassador
Gino Conforti
French Ambassador
Hector Elias
Spanish Ambassador
Dave Madden
German Ambassador
Avery Schreiber
Russian Ambassador
John Furlong
Bavarian Delegate
Ric Drasin
1st Hulk
Rex Pearson
2nd Hulk
David S. Cass Sr.
Juanita's Brother
Tony Epper
Juanita's Brother
Casey Tibbs
Juanita's Brother
Edward Jenson
Secret Service Man
Cosmo Sardo
Dealer (uncredited)