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.
Danish theatrical poster
Edna May Oliver was an American stage and film actress. During the 1930s, she was one of the better-known character actresses in American films, often playing tart-tongued spinsters.
Oliver in the 1930s
Oliver (center) in lobby card for David Copperfield (1935)
John Barrymore, Oliver and Leslie Howard in Romeo and Juliet (1936)