The Lone Wolf tracks down Nazi spies in London during the German bombing.
Warren William
as Michael Lanyard
Eric Blore
as Jameson
Hillary Brooke
as Pamela Hart
Thurston Hall
as Insp. Crane
Fred Kelsey
as Dickens
Forrest Tucker
as Anton Schugg
Matthew Boulton
as Inspector Stephens
Kurt Katch
as Gustav Sossel
Morton Lowry
as Kent Wells
Leslie Denison
as Harvey Leeds
Billy Bevan
as George Barrow
Stanley Logan
as Sir Stafford Hart
