Robert Newton as Peter McCabe

Kathleen Harrison as Mrs. McCabe

Avis Scott as Nora McCabe

Susan Shaw as Connie McCabe

Robin Netscher as George Alexander McCabe

Richard Burton as Ben Satterthwaite

Kenneth Griffith as Maurice Bruno

Olive Sloane as Mrs. Gibson

James Hayter as Ship's Captain

Charles Victor as Bill

Michael Brennan as Engineer

Allan Jeayes as Prison Officer

Hattie Jacques as Singer

Kathleen Boutall as Mrs. Duncan

John Boxer as Policeman (uncredited)

Tony Britton as Deck-hand (uncredited)

Cyril Chamberlain as Reporter

Basil Cunard as Publican

Alexander Field as Mr. Simon (uncredited)

Arthur Hambling as Police Sergeant

Glyn Houston as Sailor (uncredited)

Duncan Lamont as 3rd Engineer on Ship

Arthur Lovegrove as Stoker

Josephine Middleton as District Nurse

Edna Morris as Mrs. Duncan (voice) (uncredited)

Anthony Oliver as Prison Warder

Hal Osmond as Witness in Street

Anita Sharp-Bolster as Mrs. Simon

Julian Somers as Mac

Patrick Troughton as Sam (uncredited)

Elsie Wagstaff as Mrs. Simon (voice) (uncredited)

Ben Williams as Mr. Simon (voice) (uncredited)