James Coburn
Dr. Sidney Schaefer
Acting
Godfrey Cambridge
Don Masters
Acting
Severn Darden
Kropotkin
Acting
Joan Delaney
Nan Butler
Acting
Pat Harrington, Jr.
Arlington Hewes
Acting
Barry McGuire
Old Wrangler
Acting
Jill Banner
Snow White
Acting
Eduard Franz
Ethan Allen Cocket
Acting
Walter Burke
Henry Lux
Acting
Will Geer
Dr. Lee-Evan
Acting
William Daniels
Wynn Quantrill
Acting
Joan Darling
Jeff Quantrill
Directing
Sheldon Collins
Bing Quantrill
Acting
Arte Johnson
Sullivan
Acting
Martin Horsey
1st Puddlian
Acting
William Beckley
2nd Puddlian
Acting
Kathleen Hughes
White House Tourist
Acting
Walt Davis
Phoneman (uncredited)
Acting
John Gunn
FBR Agent (uncredited)
Acting
Pitt Herbert
White House Tour Guide (uncredited)
Acting
Soon-Tek Oh
Chinese Agent (uncredited)
Acting
Dyanne Thorne
Cocktail Waitress (uncredited)
Acting
Hank Worden
Dirty Old Man (uncredited)
Acting
Stephen Young
Man in Suit Killed in the Beginning (uncredited)
Acting
Patrick O'Moore
British Ambassador (uncredited)
Acting