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