From left to right by columns very approximately:

Bogdansky Yura, 
Naydinsky Boris, Gavrilov Sasha, 
Marina Valya, Smagin Sergei, Zinin Sasha, Khrisanov Sergey, Bogatikov Volodya, ?woman? 
Loginova (Zaimskikh) Galya, ?man?, ?woman?, Eremin Valera, Indyukova (Zinina) Galya 
Malygyn Sergey, ?man?, Alekhov Sasha?, Kukushkin Igor
Karminsky Sasha, ?woman?, ?man?, ?, Sheiman Oleg
Marchenko Andrey, Mikheev Igor, Leibo Iliya, Mostinsky Sasha, Belitskaya Tanya
Osetnsky Kolya, Babaytsev Volodya, Somokhin Aleksey?, Postnova (Gavrilova) Tanya, Fandjushina Nataliya?, Kovalenko L?, Loseva Tat'yana? 
Fleis?, ?, Sorokin Stanislav?, Kambarov Tolik, Sergeev Alik, 
?woman?, Volobueva Luda, ?, Chenomordik Oleg, Khmeklevskaya (Titarenko) Vera, Katyshev Pasha 
?woman?, Yuganova Tanya, Brizgalov Valera, ?woman?, Peresetsky Tolik, Zanemonets (Svalova) Valya?
Soloviev Sasha. Kopytina Nina, Pavlova Tanya, Malinkovsky Yura, Garber Pasha, Kokoyanina (Polyakova) Nina
Kosachev Sasha, ?man?,  Okulov Kolya, Zagursky Tolik, Sunchova Valya, Kurosh Nina, ?man?
Radich Bob, ?man?, Kovrizhnikh Nina, ?man?
?man?, Shternberg Lenya, Zvereva Anya, Demshina Irina , Dyomshina Irina 
Melichov Zhenya?, ?man?, Zuzin Yura, Goncharuk Nona, Smagina Olga, ?woman?, ?man? 
Pinchuk Sergey, Vinichenko Arkasha, Molodchov Dima,  Pirogova (Lyubimova) Marina, Krasil'schik I. 
Popov Sasha, Goldberg Yura, Menikov Boris, ?man?, ?man?
Burdonov Igor?, ?woman?, Levin Boris, ?woman?, ?man?
?man?, Mestetsky Lenya, Kozlov Yura, ?, Spiridonov A. 
?man?, ?man?, Mescheryakov Lesha, Chernyshov Lev, Kobylko Sasha? 
?man?, Grif Anya, Ermakov Sergey, Dorokhin Tolya , ?man?, Lukin Volodya
?man?, ?woman?, Dombrovsky Yura, Kosolapov Sasha.