The Monster (1925)

The Monster is a 1925 silent horror film with Lon Chaney, that is considered the first horror film to top the US box office.

Plot
A general store clerk and an amateur detective investigates a mysterious disappearance close to a remote and empty mental sanatorium. During his investigation he enters that sanatorium and notices very strange goings-on there.

Cast

 * Lon Chaney as Gustave Ziska
 * Johnny Arthur as Johnny Goodlittle
 * Gertrude Olmstead as Betty Watson
 * Hallam Cooley as Amos Rugg
 * Charles Sellon as Russ Mason, a constable
 * Walter James as Caliban
 * Knute Erickson as Daffy Dan
 * George Austin as Rigo