- Igor But
- Gavrik, a boy
- Boris Runge
- Pyetr "Petya" Bachei, a boy
- Aleksandr Melnikov
- Rodion Zhukov
- Nikolai Plotnikov
- The Plainclothes Agent of the Tsar
- Aleksandr Chekayevskiy
- Terentii
- Ivan Pelttser
- Gavrik's Grandfather
- Fyodor Nikitin
- Bachei, father
- Irina Bolshakova
- Pavel "Pavlik" Bachei, a small boy
- Svetlana Pryadilova
- Motya, Gavrik's cousin
- Daniil Sagal
- Ilya Borisovich
- Olga Pyzhova
- Mme. Storozhenko
- Matvei Lyarov
- Captain
- Pyotr Starkovsky
- Unspecified Police Officer
