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