Bulldog Drummond's Secret Police

Reginald Denny

'Algy' Longworth

E. E. Clive

Tenny

Elizabeth Patterson

Aunt Blanche

Leo G. Carroll

Henry Seaton

Forrester Harvey

Professor Downie

Clyde Cook

Constable Hawkins

David Clyde

Constable Jenkins

Gerald Rogers

Police Sergeant Peters

J. Carrol Naish

Richard Lane (Archive Footage)