Attore	Ruolo
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)

Dettaglio	Valore
Titolo originale	Murder on the Blackboard
Lingua originale	English (EN)
Lingue parlate	English
Paesi di produzione	United States of America
Stato	Released
Compagnie di produzione	RKO Radio Pictures
Data di uscita	15 giugno 1934
Exec. Producer	Pandro S. Berman
Producer	Kenneth Macgowan
Writer	Willis Goldbeck, Stuart Palmer
Editors	Archie Marshek
Cinematography	Nicholas Musuraca, Ollie Sigurdson, Frank Redman, Willard Booth
Asst. Directors	Thomas Atkins, George Archainbaud
Camera Operators	Frank Redman, Nicholas Musuraca, Ollie Sigurdson, Willard Booth

Add. Photography	Nicholas Musuraca, Ollie Sigurdson, Frank Redman, Willard Booth
Production Design	Albert S. D'Agostino, Van Nest Polglase
Art Direction	Albert S. D'Agostino, Van Nest Polglase
Set Decoration	Albert S. D'Agostino, Van Nest Polglase
Special Effects	Harry Redmond Sr.
Visual Effects	Harry Redmond Sr.
Composer	Max Steiner, Bernhard Kaun, John L. Cass
Sound	Max Steiner, Bernhard Kaun, John L. Cass
Costume Design	Walter Plunkett
Makeup	Walter Plunkett
Hairstyling	Walter Plunkett
Collezione	Hildegarde Withers Mystery Collection

Cast Principale

Cast Completo