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