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