Michael Lanyard / The Lone Wolf

Warren William

Valerie King

Ann Savage

Llewellyn Jameson

Eric Blore

Karl

Gavin Muir

Donald Jamison

Robert Stanford

Johnny Booth

Sheldon Leonard

Fritz

Lloyd Bridges

Rembrandt

Lou Merrill

Chinese Lady at Nightclub

Grace Lem

Sir Roger Wembley

Frederic Worlock

Mr. Whistler

Sig Arno

Mr. Cezanne

Jay Novello

French Waiter

Frank Arnold

Chinese Lady at Nightclub

Frances Chan

Wembley Agent

John Tyrrell

Bellboy

Darby Jones

Laundry Proprietor

Frank Lackteen

Wembley Man

Frank O'Connor

Chauffeur

Mal Merrihugh

Gay Man

Eddie Kane

Native Cop

Stanley Price

Mr. Rembrandt

Louis Merrill

Bartender

Gene Stone

Greek

Carl DeLord

Hotel Night Clerk

Jack Rice

Greek

Hercules Mendez

Bellboy

Floyd Shackelford

Greek

Janet Calionzes

Drunk

Jack Lee

Henchman in Laundry

Nick Thompson

Turk

George Chermanoff

Turk

Adonis DeMilo

Turk

Tony Abdenour

Russian

Tanya Semova