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