Vikentii Karpovich (played by Vladimir Gribkov) is a protagonist in Four.
Alla Sergueievna (played by Margarita Anastasyeva) appears in Four.
Andrei Illich (played by Mikhail Mayorov) appears in Four.
Basmanov (played by Nikolai Timofeyev) appears in Four.
Krylatkin (played by Daniil Netrebin) appears in Four.
Saranchev (played by Boris Terentyev) appears in Four.
Karpushina (played by Lidiya Sukharevskaya) appears in Four.
Chorkova (played by Valentina Belyaeva) appears in Four.
