Murder on the Blackboard (1934)
Genres: Mystery, Comedy
Cast: Edna May Oliver, James Gleason
Murder on the Blackboard is a 1934 American pre-Code mystery/comedy film starring Edna May Oliver as schoolteacher Hildegarde Withers and James Gleason as Police Inspector Oscar Piper. Together, they investigate a murder at Withers' school. It was based on the novel of the same name by Stuart Palmer. It features popular actor Bruce Cabot in one of his first post-King Kong roles, as well as Gertrude Michael, Regis Toomey, and Edgar Kennedy.