Charlton Heston

George Taylor

Roddy McDowall

Cornelius

Kim Hunter

Zira

Maurice Evans

Dr. Zaius

James Whitmore

President of the Assembly

James Daly

Dr. Honorious

Linda Harrison

Nova

Robert Gunner

Landon

Lou Wagner

Lucius

Woodrow Parfrey

Dr. Maximus

Buck Kartalian

Julius

Norman Burton

Hunt Leader

Wright King

Dr. Galen

Paul Lambert

Minister

James Bacon

Ape (uncredited)

David Chow

Chimpanzee (uncredited)

Billy Curtis

Child Ape (uncredited)

Jerry Maren

Child Ape (uncredited)

Felix Silla

Child Gorilla (uncredited)

Joe Tornatore

Gorilla (uncredited)