Gennadi Michurin

Andrey Surin

Anna Sten

Olga Surina

Pyotr Beryozov

Trofim

Lyudmila Semyonova

Neighbor of the Surins

Nikolai Cherkasov

Pat

Boris Chirkov

Patashon

Fyodor Nikitin

Thief

Nadezhda Yermakovich

Ursula Krug

Dead boy's mother

Elena Volyntseva

Neighbour

Gleb Bushtuyev

Firefighter

Boris Feodosyev

Fire brigade captain (uncredited)