Walker was one of three keepers named in Sven-Göran Eriksson's 23-man squad on Monday lunchtime.
Full Squad: James (Man City), Robinson (Spurs), Walker (Leicester), Bridge (Chelsea), G. Neville (Man Utd), Campbell (Arsenal), Carragher (Liverpool), A.Cole (Arsenal), King (Spurs), P. Neville (Man Utd), Terry (Chelsea), Beckham (Real Madrid), Butt (Man Utd), J. Cole (Chelsea), Dyer (Newcastle), Gerrard (Liverpool), Hargreaves (Bayern Munich), Lampard (Chelsea), Scholes (Man Utd), Heskey (Liverpool), Owen (Liverpool), Rooney (Everton), Vassell ( Aston Villa).
Standby Players: Richard Wright (Everton), Matthew Upson (Birmingham), Gareth Southgate (Middlesbrough), Jermaine Defoe (Spurs), Alan Smith (Leeds) and Scott Parker (Chelsea).