58 mins | Mystery | Oct. 17, 1927
58 mins | Mystery | Oct. 17, 1927
| Producers | Metro-Goldwyn-Mayer |
| Original title | The Thirteenth Hour |
| Directors | Chester M. Franklin |
| Writers | Douglas Furber, Chester M. Franklin, Edward T. Lowe Jr. |
as Prof. Leroy
as Mary Lyle
as Matt Gray
as Det. Shaw
as Polly
as Woman strangled at mansion
as Minor Role
as The Dog