출연진
John Bentley
Det. Insp. Dan Barker
Phyllis Kirk
Judy Roberts
Leonard White
Det. Sgt. Mack McLeod
Glyn Houston
Charlie Williamson
Patrick Jordan
Albert Fisher, called both "Al" and "Bert"
Harold Ayer
Steward Alfred Gordon, also called "Al"
David Hurst
Paddy Maclure
Charles Lloyd Pack
John Hendrick
Robert Ayres
Ship's Captain Watford
Ewan Roberts
Customs Chief J. S. Blake
Michael Balfour
Adams