Discover
Igor Ilyinsky
Teleskop / professor Sen-Verbuda
Leonid Kmit
Zhora
Ivan Koval-Samborskyi
agent ugolovnogo rozyska
Yevgeny Gurov
zritel'-assistent na predstavlenii
Ivan Tverdokhleb
cooperator
Antonina Savitskaya
Fenichka - plemyannitsa professora
Grigori Dolgov
zaveduyushchiy klubom
Lev Ivanov
(uncredited)
