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

Sandy Helberg

Aide #1

Gino Conforti

French Ambassador

Hector Elias

Spanish Ambassador

Dave Madden

German Ambassador

Avery Schreiber

Russian Ambassador

John Furlong

Bavarian Delegate

David S. Cass Sr.

Juanita's Brother

Tony Epper

Juanita's Brother

Cosmo Sardo

Dealer (uncredited)