Bulldog Drummond's Peril

John Barrymore

Colonel Neilson

John Howard

Captain Hugh 'Bulldog' Drummond

Louise Campbell

Phyllis Clavering

Reginald Denny

Algy Longworth

E. E. Clive

Tenny

Porter Hall

Dr. Botulian

Elizabeth Patterson

Aunt Blanche

Nydia Westman

Gwen Longworth

Halliwell Hobbes

Prof. Bernard Goodman

Matthew Boulton

Sir Raymond Blantyre

Zeffie Tilbury

Mrs. Weevens

David Clyde

Constable McThane

Clyde Cook

Constable Sacker

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Austin Fairman

Roberts

Michael Brooke

Anthony Greer