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