Tom Hanks
Lawrence Whatley Bourne III
John Candy
Tom Tuttle
Rita Wilson
Beth Wexler
Tim Thomerson
John Reynolds
Gedde Watanabe
At Toon
George Plimpton
Lawrence Bourne Jr.
Ernest Harada
Chung Mee
Allan Arbus
Albert Bardenaro
Xander Berkeley
Kent Sutcliffe
Ji-Tu Cumbuka
Cicero
Jacqueline Evans
Aunt Eunice
Pamela Gual
Tammy the Stewardess
Chick Hearn
Announcer
Virginia Kiser
Evelyn Bourne
Clyde Kusatsu
Souvanna
Jude Mussetter
Bootsy Winder
Carlos Romano
Beatty
Duncan Ross
Noble
Shakti Chen
Lucille
Professor Toru Tanaka
Sumo Guard
Guillermo RÃo
Sumo Guard
Lonnie Wun
Sumo Guard
Harry Yorku
Al Pe
Doris Day
Self (archive footage) (uncredited)
Rock Hudson
Self (archive footage) (uncredited)
Marilyn Monroe
Self (archive footage) (uncredited)