Ivor Novello as Michel Angeloff

Elizabeth Allan as Daisy Bunting

A.W. Baskcomb as George Bunting

Barbara Everest as Mrs. Bunting

Jack Hawkins as Joe Martin

Shayle Gardner as Detective Snell

Peter Gawthorne as Lord Southcliff

Kynaston Reeves as Bob Mitchell

Drusilla Wills as Mrs. Coles

Anthony Holles as Silvono

George Merritt as Commissioner

Molly Fisher as Gladys Sims

Andreas Malandrinos as Rabinovitch

Iris Ashley as Police Commissioner's Daughter