Marlon Brando

as Ambassador Harrison Carter MacWhite

Eiji Okada

as Deong

Sandra Church

as Marion MacWhite

Pat Hingle

as Homer Atkins

Arthur Hill

as Grainger

Jocelyn Brando

as Emma Atkins

Reiko Sato

as Rachani, Deong's Wife

Kukrit Pramoj

as Prime Minister Kwen Sai

Judson Pratt

as Joe Bing

George Shibata

as Munsang

Philip Ober

as Ambassador Sears

Carl Benton Reid

as Senator at Confirmation Hearing

Judson Laire

as Senator Brenner

Yee Tak Yip

as Sawad, Deong's Assistant

Frances Helm

James Yagi

John Daheim

as Late Arrival at Meeting

Leon Lontoc

as Lee Pang

Bill Stout

as Tyler, NBC Reporter

Stefan Schnabel

as Andrei Krupitzyn

Simon Scott

as Johnson

Stuart Hall

as Hearing Spectator (uncredited)