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