Robert Newton
Capt. David Grant
Guy Middleton
Capt. Tony Hunter
Muriel Pavlow
Marion Decker
Martin Miller
Professor Hansen
Gerald Case
Inspector Emerson
Scott Forbes
Lieut. Allen (as Julian Dallas)
Leslie Dwyer
George Leggett
Valentine Dyall
Sir George Bell
Derek Elphinstone
Naval Surgeon
Marius Goring
Frederick Jannings
George Hirste
Station Official
Hubert Leslie
Ticket Collector
Stuart Lindsell
Inspector Martin
Gordon McLeod
Inspector Longhurst
Lawrence O'Madden
Captain Robert Wilson
Wilfrid Hyde-White
Taxi Driver
Howard Douglas
Hotel Porter (uncredited)
Johnnie Schofield
Factory Watchman (uncredited)
John Stone
Young Newlywed (uncredited)
