John BentleyDet. Insp. Dan Barker Leonard WhiteDet. Sgt. Mack McLeod Glyn HoustonCharlie Williamson Patrick JordanAlbert Fisher, called both "Al" and "Bert" Harold AyerSteward Alfred Gordon, also called "Al" Charles Lloyd PackJohn Hendrick Robert AyresShip's Captain Watford Ewan RobertsCustoms Chief J. S. Blake 
