Widower Dr. Matt Younger and his daughter go to London for a month of dirt-bike racing. While there, Dr. Younger is surprised by finding himself attracted to Catherine, a charming but elusive woman who seems to have some mysterious men following her. A romance slowly develops between the doctor and Catherine, but there are complications to their happiness.
Sidney Poitier
as Dr. Matt Younger
Ester Anderson
as Catherine Oswandu
Yvette Curtis
as Stefanie Younger
George Baker
as Dr. Henry Barlow
Johnny Sekka
as Dr. Joseph Myomo
Earl Cameron
as Ambassador George Oswandu
Hilary Crane
as Marsha Barlow
John Beardmore
as Burberry Detective (uncredited)
Milos Kirek
as General Kuznovski (uncredited)
Letta Mbulu
as Club Singer (uncredited)
T. P. McKenna
as Man (uncredited)
James Payne
as Taxi Driver at Theatre (uncredited)
