Singing Marseilles docker Joe is hired by wealthy English couple, the Oliphants, to find their missing son Gerald. When Joe finds him, he learns Gerald escaped of his own will and takes him to stay with a local singer, who offers a refuge from his repressed white parents.

Paul Robeson
as Joe

Elisabeth Welch
as Amanda 'Manda'

Roy Emerton
as Spike

James Hayter
as Chuck

Lawrence Brown
as Corney

Eldon Gorst
as Gerald Oliphant

Marcelle Rogez
as Marietta

Eric Cowley
as Ferdy Oliphant

Joyce Kennedy
as Mrs. Oliphant

Margaret Rutherford
as Nanny (uncredited)