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)