 Robert ConradJim West | Jim West |
 Ross MartinArtemus Gordon | Artemus Gordon |
 Jonathan WintersProf. Albert Paradine II | Prof. Albert Paradine II |
 Harry MorganRobert T. 'Skinny' Malone | Robert T. 'Skinny' Malone |
 René AuberjonoisCapt. Sir David Edney | Capt. Sir David Edney |
 Randi BroughYvonne | Yvonne |
 Candi BroughDaphne | Daphne |
 Victor BuonoDr. Henry Messenger | Dr. Henry Messenger |
 Liz TorresJuanita | Juanita |
 Emma SammsMirabelle Merriwether | Mirabelle Merriwether |
 Joyce BrothersThe Bystander | The Bystander |
 Jack LaLannePhysical Fitness Trainer | Physical Fitness Trainer |
 James BaconThe Wheelman | The Wheelman |
 Sandy HelbergAide #1 | Aide #1 |
| RRichard HawkAide #2 | Aide #2 |
| JJoe AlfasaItalian Ambassador | Italian Ambassador |
 Gino ConfortiFrench Ambassador | French Ambassador |
 Hector EliasSpanish Ambassador | Spanish Ambassador |
 Dave MaddenGerman Ambassador | German Ambassador |
 Avery SchreiberRussian Ambassador | Russian Ambassador |
 John FurlongBavarian Delegate | Bavarian Delegate |
| RRic Drasin1st Hulk | 1st Hulk |
| RRex Pearson2nd Hulk | 2nd Hulk |
 David S. Cass Sr.Juanita's Brother | Juanita's Brother |
 Tony EpperJuanita's Brother | Juanita's Brother |
 Casey TibbsJuanita's Brother | Juanita's Brother |
| EEdward JensonSecret Service Man | Secret Service Man |
 Cosmo SardoDealer (uncredited) | Dealer (uncredited) |