The Ugly American

Marlon Brando

Ambassador Harrison Carter MacWhite

Eiji Okada

Deong

Sandra Church

Marion MacWhite

Pat Hingle

Homer Atkins

Arthur Hill

Grainger

Jocelyn Brando

Emma Atkins

Reiko Sato

Rachani, Deong's Wife

Kukrit Pramoj

Prime Minister Kwen Sai

Judson Pratt

Joe Bing

George Shibata

Munsang

Philip Ober

Ambassador Sears

Carl Benton Reid

Senator at Confirmation Hearing

Judson Laire

Senator Brenner

Yee Tak Yip

Sawad, Deong's Assistant

Frances Helm

James Yagi

John Daheim

Late Arrival at Meeting

Leon Lontoc

Lee Pang

Bill Stout

Tyler, NBC Reporter

Stefan Schnabel

Andrei Krupitzyn

Simon Scott

Johnson

Stuart Hall

Hearing Spectator (uncredited)