Drummond has to leave for Morocco on his wedding day with his fiancee and trusted friends to rescue his friend Nielsen who is kidnapped by an international criminal.

John Howard
as Captain Hugh Chesterton 'Bulldog' Drummond

Heather Angel
as Phyllis Clavering

H.B. Warner
as Colonel J. A. Nielsen

J. Carrol Naish
as Richard Lane

Reginald Denny
as Algernon 'Algy' Longworth

E. E. Clive
as 'Tenny' Tennison

Anthony Quinn
as Henchman Fordine

Michael Brooke
as Baron Nevsky

Matthew Boulton
as Major Grey

Neil Fitzgerald
as McTurk