Billy Crystal (Lionel)
Joan Prather (Segoynia)
Doris Roberts (Mrs. Carpenter)
Ron Rifkin
Sab Shimono (Chinese Leader)
Mary Steelsmith (Melody Carpenter)
Mary Steenburgen
Jimmie "J.J." Walker (Umbuto)
Fannie Flagg (US President's Wife)
Paul Lynde (Dr. Vidal)
Joan Rivers (Second Nurse)
Jack Fletcher (The Pope)
Charlotte Rae (Cousin Clare)
Tom Poston (Minister)
Sheree North (Mystery Lady)
Billy Barty (Lester)
Imogene Coca (Madame Marie)
Jane Connell (Anthropologist)
Keene Curtis (Dr. Lasse-Braun)
Norman Fell (Segoynia's Father)
Larry Gelman
Alice Ghostley (Nurse Tunn)
George Gobel (President of the United States)
Roosevelt Grier (Taxi Driver)
Murray Matheson (Dr. Lowell)
Roddy McDowall (Dr. Fishbind)
Roddy McDowall (Gypsy Grandmother)
Edward Ansara (Newscaster)