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
