Det. Insp. Dan Barker

John Bentley

Judy Roberts

Phyllis Kirk

Adams

Michael Balfour

Det. Sgt. Mack McLeod

Leonard White

Charlie Williamson

Glyn Houston

Albert Fisher, called both "Al" and "Bert"

Patrick Jordan

Steward Alfred Gordon, also called "Al"

Harold Ayer

Paddy Maclure

David Hurst

John Hendrick

Charles Lloyd Pack

Ship's Captain Watford

Robert Ayres

Customs Chief J. S. Blake

Ewan Roberts

Director

Guy Green

Screenplay

Rex Rienits