Zaitsev signed a one-year, entry-level contract with the Maple Leafs on May 2. The 24-year-old had eight goals and 26 points in 46 games with CSKA Moscow this season and another 13 points in 20 playoff games.
Shipachyov, 29, was the fourth-leading scorer in the KHL this season with 60 points in 54 games. He had 16 points in 15 playoff games, then was the high scorer at the IIHF World Championship with 18 points in 10 games, helping Russia win the bronze medal.
The 27-year-old Dadonov is a former Florida Panthers prospect who had 46 points in 59 games with SKA this season and another nine points in 15 playoff games.
Telegin, 24, was selected with the No. 101 pick in the 2010 NHL Draft by the Atlanta Thrashers and played 34 games with St. John's of the American Hockey League in 2012-13. He had nine goals and 13 points in 72 games over the past two seasons with Moscow.
The 2016 World Cup of Hockey will be played Sept. 17 to Oct. 1 at Air Canada Centre in Toronto. All games will be televised by ESPN in the United States and Sportsnet and TVA Sports in Canada.
Here is the entire Team Russia roster (alphabetically by position):
Forwards:
Artem Anisimov, Chicago Blackhawks; Evgeny Dadonov, SKA Saint Petersburg (KHL); Pavel Datsyuk, Detroit Red Wings; Nikita Kucherov, Tampa Bay Lightning; Nikolay Kulemin, New York Islanders; Evgeny Kuznetsov, Washington Capitals; Evgeni Malkin, Pittsburgh Penguins; Vladislav Namestnikov, Tampa Bay Lightning; Alex Ovechkin, Washington Capitals; Artemi Panarin, Chicago Blackhawks; Vadim Shipachyov, SKA Saint Petersburg (KHL); Ivan Telegin, CSKA Moscow (KHL); Vladimir Tarasenko, St. Louis Blues.
Defensemen:
Alexei Emelin, Montreal Canadiens; Dmitry Kulikov, Florida Panthers; Alexey Marchenko, Detroit Red Wings; Andrei Markov, Montreal Canadiens; Dmitry Orlov, Washington Capitals; Nikita Zaitsev, Toronto Maple Leafs.
Goalies:
Sergei Bobrovsky, Columbus Blue Jackets; Semyon Varlamov, Colorado Avalanche; Andrei Vasilevskiy, Tampa Bay Lightning.