Marlon Brando
Major Lloyd Gruver
Patricia Owens
Eileen Webster
James Garner
Capt. Mike Bailey
Martha Scott
Mrs. Webster
Miiko Taka
Hana-ogi
Miyoshi Umeki
Katsumi
Red Buttons
Joe Kelly
Kent Smith
Gen. Webster
Douglass Watson
Col. Craford
Reiko Kuba
Fumiko-san
Soo Yong
Terukosan
Ricardo Montalban
Nakamura
Dennis Hopper
MP in Kelly's House / MP at Tokyo Airport (voice) (uncredited)
Peter Brown
Second Military Police (voice) (uncredited)
Kenner G. Kemp
General at Tokyo Airport (uncredited)
William Meader
General at Tokyo Airport (uncredited)
Ralph Moratz
Soldier in Washroom (uncredited)
Rollin Moriyama
Reporter (uncredited)
Yvonne Peattie
Lady Vice-Consul (uncredited)
Phil Rhodes
Doctor (uncredited)
Bill Saito
Photographer (uncredited)
James Stacy
Reporter (uncredited)
Audrey Swanson
Officer's Wife (uncredited)
Harlan Warde
Consul (uncredited)
William Wellman Jr.
Stars and Stripes Reporter (uncredited)