Captain Drummond is travelling to Switzerland to marry his girlfriend. However, when a cargo containing dangerous explosives goes missing from its place, Drummond is forced to delay his plans.
John Barrymore
Col. J.A. Nielson
John Howard
Capt. Hugh Chesterton 'Bulldog' Drummond
Louise Campbell
Phyllis Clavering
Reginald Denny
Algy Longworth
E. E. Clive
'Tenny' Tennison
Frank Puglia
Draven Nogais
Nydia Westman
Gwen Longworth
Robert Gleckler
Hardcastle
Lucien Littlefield
Mr. Smith
John Sutton
Nielson's Secretary
