Ron Randell

Captain Hugh 'Bulldog' Drummond

Anita Louise

Doris Hamilton / Doris Meredith

Patrick O'Moore

Algy Longworth (as Pat O'Moore)

Terry Kilburn

Seymour - Cub Reporter

Holmes Herbert

Scotland Yard Inspector McIvar

Lester Matthews

Shannon Eskdale

Leonard Mudie

Meredith

Sidney Salkow