Murder on the Blackboard

Edna May Oliver

Hildegarde Withers

ジェームズ・グリーソン

Police Insp. Oscar Piper

Bruce Cabot

Stevens

Gertrude Michael

Jane Davis

Regis Toomey

Detective Smiley North

エドガー・ケネディ

Detective Donahue

Tully Marshall

MacFarland

Jackie Searl

Leland

Frederick Vogeding

Otto (as Fredrik Vogeding)

Barbara Fritchie

Louise