Cast
Edward Earle
E. R. Willard
John Elliott
John, butler
Jim Bannon
Jack Packard
Anita Louise
Janet Mitchell
Michael Duane
Rex Kennedy
Thomas E. Jackson
Det. Capt. Quinn
Harry Strang
Brophy, museum watchman
Barton Yarborough
Doc Long
Mona Barrie
Louise Mitchell
Frank Wilcox
Prof. Arthur Logan
Frank Mayo
Quentin Mitchell
Paul E. Burns
Leon Hartman
Richard Hale
Curator Raymond Halliday
Ludwig Donath
Dr. Karger
Coulter Irwin
Frank, Willard's aide
Mary Newton
Nurse