Murder on the Blackboard

Edna May Oliver

Hildegarde Withers

James Gleason

Police Insp. Oscar Piper

Bruce Cabot

Stevens

Gertrude Michael

Jane Davis

Regis Toomey

Detective Smiley North

Edgar Kennedy

Detective Donahue

Tully Marshall

MacFarland

Jackie Searl

Leland

Frederick Vogeding

Otto (as Fredrik Vogeding)

Barbara Fritchie

Louise

Gustav von Seyffertitz

Dr. Von Immen

Tom Herbert

Detective McTeague

Jed Prouty

Dr. Levine

Wade Boteler

Bearded Diner (Uncredited)

Tommy Bupp

School Boy (uncredited)

Frank Mills

Diner Counterman (uncredited)

Monte Vandergrift

Policeman (uncredited)

George Archainbaud

Réalisation

Thomas Atkins

Assistant réalisation

Willis Goldbeck

Scénario

Stuart Palmer

Roman

Pandro S. Berman

Production exécutive

Kenneth Macgowan

Production associée

Nicholas Musuraca

Photographie

Ollie Sigurdson

Still Photographer

Frank Redman

Cadrage

Willard Booth

Assistant Camera

Archie Marshek

Montage

Bernhard Kaun

Musique

Max Steiner

Musique, Music Director

John L. Cass

Sound Recordist

Albert S. D'Agostino

Direction artistique

Van Nest Polglase

Direction artistique

Walter Plunkett

Costumes

Harry Redmond Sr.

Special Effects Supervisor