But Why Is That? (1929)

Elenco

• 

  Leonid Ivanov-Rayev

  Chief engineer

• 

  Vladimir Romashkov

  Zotov, master

• 

  Fyodor Bogdanov

  Factory director

• 

  Olga Rozevskaya

  Zoya, Zotov's daughter

• 

  Nikolay Mikhaylov

  Ilya Ivanov, intern

• 

  Nikolay Wildgrube

  Aleksey