Michael Lanyard / The Lone Wolf

Warren William

Acting

Eve Andrews

Marguerite Chapman

Acting

Jamison

Eric Blore

Acting

Jane Merrick

Mona Barrie

Acting

Sonia Budenny

Tala Birell

Acting

Patricia Blake (Shaw)

Margaret Hayes

Acting

Vivian

Ann Savage

Acting

Inspector Crane

Thurston Hall

Acting

Sidney Shannon

Warren Ashe

Acting

Detective Dickens

Fred Kelsey

Acting

Harry Cooper

Gerald Mohr

Acting

Arthur

Louis Jean Heydt

Acting

Hertzog - Henchman

Frank Sully

Acting

Mac, Henchman

Eddie Marr

Acting

John Sheldon II

Roger Clark

Acting

Dr. Eric Budenny (as Gregory Gay)

Gregory Gaye

Acting

Coatroom Girl (uncredited)

Nina Vale

Acting

Airline Gate Attendant (uncredited)

Lloyd Bridges

Acting