Sergei Udaltsov
- Sehlooho: Sergei Udaltsov
- Ho Tuma: 0.001
- Tsejoa ka: Acting
- Letsatsi la tsoalo: 1977-02-16
- Sebaka sa tsoalo: Moscow, USSR (now Russia)
- Leqephe la lapeng: https://www.leftfront.org
- E boetse e tsejoa e le: Сергей Удальцов, Sergey Udaltsov
