Wolves' Craig Davies is also missing with a swollen knee.
Burnley's Danny Coyne has been called in to the squad as cover despite not playing a senior game for 18 months. Paul Jones will start the game between the sticks.
Andrew Crofts from Gillingham has been added but there are not likely to be any more late call ups.
Toshack is running with a reduced squad after long term injuries ruled out Mark Delaney, Danny Gabbidon, James Collins and Rob Earnshaw.
The final squad to travel to Belfast is
Danny Coyne (Burnley), Paul Jones (QPR), Gareth Bale (Southampton), Danny Collins (Sunderland), Richard Duffy (Portsmouth, on loan at Swansea City), Steve Evans (Wrexham), Craig Morgan (Peterborough United), Lewin Nyatanga (Derby County), Sam Ricketts (Hull City), Ryan Valentine (Wrexham), Andrew Crofts (Gillingham), Simon Davies (Fulham), Carl Fletcher (Crystal Palace), Jason Koumas (WBA), Carl Robinson (Toronto FC), David Vaughan (Crewe Alexandra), Craig Bellamy (Liverpool), David Cotterill (Wigan Athletic), Jermaine Easter (Wycombe Wanderers), Ryan Giggs (Manchester United), Chris Llewellyn (Wrexham), Paul Parry (Cardiff City).