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