The tournament is played in 3 groups in preliminary round:
Group A: Canada, United States, Switzerland and Norway
Group B: Russia, Czech Republic, Slovakia and Latvia
Group C: Sweden, Finland, Belarus and Germany

The best 4 Teams of the preliminary round are qualified for the quarterfinals. The other 8 teams have to play a secondary round for qualifying for the quarterfinals.
The winning teams of the quarterfinal play the semifinals. The 2 winners play the final-game, going for olympic hockey gold, where the loosing team gets the silver-medal. The loosing teams play the game for the bronce-medal.
more infos

Team Belarus:
Vitali Koval, Maxim Malyutin, Andrei Mezin, Andrei Antonov, Andrei Bashko, Vladimir Denisov, Viktor Kostiuchenok, Ruslan Salei, Nikolai Stasenko, Vadim Sushko, Ruslan Salei, Oleg Antonenko, Sergei Demagin, Mikhail Grabovsky, Alexei Kaliuzhny, Konstantin Koltsov, Andrei Kostitsyn, Sergei Kostitsyn, Alexander Kulakov, Andrei Mikhalev, Andrei Stas, Alexei Ugarov, Sergei Zadelenov
4 playing in NHL, 19 in european Leagues

Team-Canada:
Martin Brodeur, Roberto Luongo, Marc-Andre Fleury, Chris Pronger, Shea Weber, Brent Seabrook, Scott Niedermayer, Dan Boyle, Drew Doughty, Duncan Keith, Sidney Crosby, Jarome Iginla, Jonathan Toews, Rick Nash, Eric Staal, Mike Richards, Brenden Morrow, Dany Heatley, Joe Thornton, Ryan Getzlaf, Patrick Marleau, Corey Perry, Patrice Bergeron
all playing in NHL

Team Czech-Republic:
Ondrej Pavelec, Jakub Stepanek, Tomas Vokoun, Miroslav Blatak, Jan Hejda, Tomas Kaberle, Filip Kuba, Pavel Kubina, Zbynek Michalek, Roman Polak, Marek Zidlicky, Petr Cajanek, Roman Cervenka, Patrik Elias, Martin Erat, Tomas Fleischmann, Martin Havlat, Jaromir Jagr, David Krejci, Milan Michalek, Tomas Plekanec, Tomas Rolinek, Josef Vasicek
15 playing in NHL, 8 in european Leagues

Team Finland:
Niklas Backstrom, Miikka Kiprusoff, Antero Niittymaki, Lasse Kukkonen, Sami Lepisto, Toni Lydman, Janne Niskala, Joni Pitkanen, Sami Salo, Kimmo Timonen, Valtteri Filppula, Niklas Hagman, Jarkko Immonen, Olli Jokinen, Niko Kapanen, Mikko Koivu, Saku Koivu, Jere Lehtinen, Antti Miettinen, Ville Peltonen, Jarkko Ruutu, Tuomo Ruutu, Teemu Selanne
17 playing in NHL, 6 in european Leagues

Team Germany:
Dennis Endras, Thomas Greiss, Dimitri Pätzold, Michael Bakos, Christian Ehrhoff, Jakub Ficenec, Jason Holland, Korbinian Holzer, Chris Schmidt, Dennis Seidenberg, Alexander Sulzer, Alexander Barta, Sven Felski, Marcel Goc, Philip Gogulla, Thomas Greilinger, Manuel Klinge, Marcel Müller, Travis James Mulock, André Rankel, Marco Sturm, John Tripp, Michael Wolf
6 playing in NHL, 16 in DEL, 1 in AHL

Team Latvia:
Edgars Masalskis, Ervins Mustukovs, Sergejs Naumovs, Karlis Skrastins, Oskars Bartulis, Georgijs Pujacs, Kristaps Sotnieks, Arvids Rekis, Krisjanis Redlihs, Guntis Galvins, Rodrigo Lavins, Lauris Darzins, Herberts Vasiljevs, Mikelis Redlihs, Girts Ankipans, Martins Cipulis, Janis Sprukts, Aleksejs Sirokovs, Martins Karsums, Aleksandrs Nizivijs, Armands Berzins, Kaspars Daugavins, Gints Meija
2 playing in NHL, 2 in AHL, 19 in other leagues

Team Norway:
Pål Grotnes, Andre Lysenstøen, Ruben Smith, Alexander Bonsaken, Jonas Holøs, Tommy Jakobsen, Juha Kaunismäki, Lars-Erik Lund, Ole-Kristian Tollefsen, Mats Trygg, Morten Ask, Anders Bastiansen, Kristian Forsberg, Mads Hansen, Marius Holtet, Lars-Erik Spets, Mathis Olimb, Martin Røymark, Per-Åge Skrøder, Patrick Thoresen, Tore Vikingstad, Martin Laumann Ylven, Mats Zuccarello Aasen
1 playing in NHL, 22 in european leagues

Team Russia:
Evgeni Nabokov, Ilya Bryzgalov, Semyon Varlamov, Sergei Gonchar, Fedor Tyutin, Dmitry Kalinin, Denis Grebeshkov, Anton Volchenkov, Andrei Markov, Konstantin Korneyev, Ilya Nikulin, Alex Ovechkin, Ilya Kovalchuk, Evgeni Malkin, Maxim Afinogenov, Alexander Semin, Pavel Datsyuk, Alexei Morozov, Viktor Kozlov, Alexander Radulov, Danis Zaripov, Sergei Zinoviev, Sergei Fedorov
14 playing in NHL, 9 in KHL

Team Slovakia:
Peter Budaj, Jaroslav Halak, Rastislav Stana, Zdeno Chara, Milan Jurcina, Richard Lintner, Andrej Meszaros, Andrej Sekera, Martin Strbak, Lubomir Visnovsky, Lubos Bartecko, Branko Radivojevic, Martin Cibak, Pavol Demitra, Marian Gaborik, Michal Handzus, Marian Hossa, Marcel Hossa, Tomas Kopecky, Zigmund Palffy, Jozef Stumpel, Miroslav Satan, Richard Zednik
12 playing in NHL, 11 in european leagues

Team Sweden:
Henrik Lundqvist, Jonas Gustavsson, Stefan Liv, Tobias Enstrom, Magnus Johansson, Niklas Kronwall, Nicklas Lidstrom, Douglas Murray, Johnny Oduya, Mattias Ohlund, Henrik Tallinder, Daniel Alfredsson, Nicklas Backstrom, Loui Eriksson, Peter Forsberg, Tomas Holmstrom, Patric Hornqvist, Fredrik Modin, Samuel Pahlsson, Daniel Sedin, Henrik Sedin, Mattias Weinhandl, Henrik Zetterberg
18 playing in NHL, 4 in SEL, 1 in RUS

Team Switzerland:
Jonas Hiller, Martin Gerber, Tobias Stephan, Mark Streit, Yannick Weber, Goran Bezina, Severin Blindenbacher, Rafael Diaz, Roman Josi, Luca Sbisa, Mathias Seger, Andres Ambuhl, Thomas Deruns, Hnat Domenichelli, Sandy Jeannin, Thibaut Monnet, Thierry Paterlini, Martin Pluss, Kevin Romy, Ivo Ruthemann, Raffaele Sannitz, Julien Sprunger, Roman Wick
3 playing in NHL, 16 in SUI, 4 in others (AHL, SWE, RUS, WHL)

Team USA:
Ryan Miller, Tim Thomas, Jonathan Quick, Brian Rafalski, Ryan Suter, Paul Martin, Jack Johnson, Erik Johnson, Brooks Orpik, Mike Komisarek, Joe Pavelski, Zach Parise, Phil Kessel, Jamie Langenbrunner, Paul Stastny, Patrick Kane, Dustin Brown, Bobby Ryan, Ryan Malone, Ryan Kesler, Ryan Callahan, Chris Drury, David Backes
all playing in NHL