Warren William
Michael Lanyard / The Lone Wolf
Ann Savage
Valerie King
Eric Blore
Llewellyn Jameson
R
Robert Stanford
Donald Jameson
Sheldon Leonard
Johnny Booth
Lloyd Bridges
Fritz
Gavin Muir
Karl
Grace Lem
Chinese Lady at Nightclub
Sig Arno
Mr. Whistler
F
Frank Arnold
French Waiter
Frances Chan
Chinese Lady at Nightclub
Darby Jones
Bellboy
Frank Lackteen
Laundry Proprietor
M
Mal Merrihugh
Chauffeur
Louis Merrill
Mr. Rembrandt
Jay Novello
Mr. Cezanne
Frank O'Connor
Wembley Agent
Jack Rice
Hotel Night Clerk
Floyd Shackelford
Bellboy
G
Gene Stone
Bartender
N
Nick Thompson
Henchman in Laundry
John Tyrrell
Wembley Agent
Frederick Worlock
Sir Roger Wembley