An American officer scours Britain in search of his dead brother's girlfriend and becomes involved in a jewel heist.
Keith Andes
as David Martens
Hazel Court
as Sally Meadows
Jean Aubrey
as Annabelle Meadows
Michael Gough
as Kingsley Beauchamp
Julia Arnall
as Diane Leigh
Edwin Richfield
as Costard
Patricia Jessel
as Madeleine Dupont
Peter Hammond
as George
Alfred Burke
as Podd
Barbara Archer
as Betty Costard
Richard Pearson
as Bullock
George Benson
as Freddie
