Film
Tanya Rubtsova
Narrator (voice)
Vera Sterlikova
Galya Shopina
Mariya Vinogradova
Narrator (voice, uncredited)
Lev Lyubetsky
Aircraft designer (voice, uncredited)
Vasily Livanov
Factory worker (voice, uncredited)
Roman Filippov
Miner (voice, uncredited)
Vladimir Tarasov
Genrikh Sapgir
Fyodor Ivanov