Sydney Tafler

Antonio Riccardi

Ronald Howard

Detective Inspector Carson

Katharine Blake

Maria Riccardi

John Hewer

Giuseppe Riccardi

June Rodney

Helen Garrett

Gerald Case

Detective Sgt. Stott

Gerald Case

Charlie

Reginald Dyson

Josef Meyerling

Martin Benson

Catesby

Sam Kydd

Bert

Ewen Solon

Fred