Chicago Bulls star Luol Deng will make his debut for Great Britain after being named in the squad to play five matches in France and Croatia next week.
Deng is set to make his senior debut for the national team
Sudan-born Deng will feature in what are key warm-up games for Britain's bid for a place at the 2012 Olympics.
World governing body Fiba wants GB to prove its fitness to take up its hosts' spot in London by qualifying for the European finals in 2009 or 2011.
GB meet Georgia twice in France, before a four-team tournament in Croatia.
Seven players, including skipper Andrew Sullivan, have been retained from last season's team.
GB coach Chris Finch is still waiting to hear if another NBA player, Dallas' Pops Mensah-Bonsu, will be cleared to join the team.
Among the newcomers are 7ft 1in Badalona centre Andy Betts, a veteran of 40 England games and 6ft 11in Scottish forward Robert Archibald, who has recently signed for Ukrainian team Mariupol.
Finch has also added three players to his back court, with Newcastle's Richard Midgley being joined by Spain-based Flinder Boyd and Mike Lenzly, who plays in Cyprus.
Only two members of the squad - the Scottish Rocks' Julius Joseph and former London United forward Chris Haslam - played in the British Basketball League last season.
Squad: Robert Archibald (Mariupol, Ukraine), Andrew Betts (Badalona, Spain), Eric Boateng (Arizona State Uni, USA), Flinder Boyd (Rosalia, Spain), Luol Deng (Chicago Bulls), Chris Haslam (Kunin, Czech Rep), Roger Huggins (Charleroi, Belgium), Julius Joseph (Scottish Rocks), Mike Lenzly (Nicosia, Cyprus), Richard Midgley (Newcastle), Nate Reinking (Mons, Belgium), Chris Sanders (Penne, Italy), Andrew Sullivan (Mons).