Игорь Ильинский

Teleskop / professor Sen-Verbuda

Леонид Кмит

Zhora

Ivan Koval-Samborskyi

agent ugolovnogo rozyska

Евгений Гуров

zritel'-assistent na predstavlenii

Ivan Tverdokhleb

cooperator

Antonina Savitskaya

Fenichka - plemyannitsa professora

Grigori Dolgov

zaveduyushchiy klubom

Lev Ivanov

(uncredited)