Ralph Bellamy

Dr. Paul Hallet

Josephine Hutchinson

Dr. Mary Reynolds

William Gargan

Dr. Jack Murray

Barbara Read

Claire Saunders

John 'Dusty' King

Dr. Phillip Saunders

Charles Stevens

Talamu

Honorable Wu

Molugi

Nella Walker

Mrs. Carpenter

Eleanor Hansen

Anna

Constance Moore

Susan

Brandon Beach

Party Guest

John Dawson

Photographer

Jack Egan

Party Guest

Allen Fox

Pilot

Ben Lewis

Reporter (uncredited)

S. Sylvan Simon