Sidney Poitier

Dr. Matt Younger

Ester Anderson

Catherine Oswandu

Yvette Curtis

Stefanie Younger

George Baker

Dr. Henry Barlow

Johnny Sekka

Dr. Joseph Myomo

Earl Cameron

Ambassador George Oswandu

Hilary Crane

Marsha Barlow

John Beardmore

Burberry Detective (uncredited)

Milos Kirek

General Kuznovski (uncredited)

Letta Mbulu

Club Singer (uncredited)

T. P. McKenna

Man (uncredited)

James Payne

Taxi Driver at Theatre (uncredited)

Lon Satton

Man (uncredited)

Guy Standeven

Party Guest (uncredited)

Rudolph Walker

Man (uncredited)

Sidney Poitier