Midnight Warning is a 1932 American Pre-Code film directed by Spencer Gordon Bennet. The film is also known as Eyes of Mystery (new American title).

Plot
A sister & brother check into a posh hotel. Shortly thereafter, the brother is missing, & despite the sister’s inquiries, no one admits to ever having seen the man. Meanwhile, a sniper shoots bullets through the window of the room that the brother & sister stayed in. Is there any connection between these events? That’s the mystery.

Cast
William “Stage” Boyd as William “Bill” Cornish
Claudia Dell as Enid Van Buren
Huntley Gordon as Mr. Gordon, Hotel Manager
John Harron as Erich
Hooper Atchley as Dr. Steven Walcott
Lloyd Whitlock as Rankin, Hotel Desk Clerk
Phillips Smalley as Dr. Bronson
Lloyd Ingraham as Adolph Klein