The Devil's Mask

Jim Bannon

as Jack Packard

Anita Louise

as Janet Mitchell

Michael Duane

as Rex Kennedy

Barton Yarborough

as Doc Long

Paul E. Burns

as Leon Hartman

Thomas E. Jackson

as Det. Capt. Quinn

Mona Barrie

as Louise Mitchell

Frank Wilcox

as Prof. Arthur Logan

Richard Hale

as Curator Raymond Halliday

Ludwig Donath

as Dr. Karger

Mary Newton

as Nurse

Edward Earle

as E. R. Willard

Fred Godoy

as Senor Mendoza

John Elliott

as John, butler

Frank Mayo

as Quentin Mitchell

Frank Martin

as Introductory Narrator (voice)

Coulter Irwin

as Frank, Willard's aide

Bud Averill

as Closing-Time Museum Guard

Harry Strang

as Brophy, museum watchman