Terence Sullivan
John Mills
Matt Sullivan
Dirk Bogarde
Patsy McGuire
Jack MacGowran
Murphy
Michael Golden
Police Constable at Tube Station (uncredited)
Neil Wilson
Brennan (uncredited)
Stephen Dunne
Sentry (uncredited)
Patric Doonan
John Orchard
Ship's Officer (uncredited)
Terence Alexander
Barney (uncredited)
Harry Brogan
Bill - Detective (uncredited)
Harry Hutchinson
English Landlady (uncredited)
Doris Yorke
Shinto
Robert Beatty
Girl at Docks (uncredited)
Patricia Stewart
ARP Warden (uncredited)
Johnnie Schofield
Rosie O'Flaherty (uncredited)
Jean St. Clair
Publican (uncredited)
Seamus Kavanagh
IRA Driver (uncredited)
Jack Rodney
Ambulance Attendant (uncredited)
Edward Byrne
Tony Quinn
Telephone Exchange Official (uncredited)
E.J. Kennedy
Prisoner's Escort on Ship (uncredited)
John Warwick
Maureen Fagan
Elizabeth Sellars
Molly Fagan
Barbara Mullen
Flynn
Eddie Byrne
Dr Brannigan
Joseph Tomelty
Henry Truethome
Gilbert Harding
Johnny Fagan
James Kenney
Connolly
Liam Redmond
Director
Basil Dearden
Producer
Michael Relph
Writer
Roger MacDougall
Music
John Greenwood
Editor
Peter Tanner
Director of Photography
Gordon Dines