Those players are: Steve Davis (Rangers), Keith Gillespie (Sheffield United), Michael O'Connor (Crewe Alexandra), Sammy Clingan (Norwich City), Chris Brunt (WBA) and Dean Shiels (Hibernian).
The squad includes the former Iron forward Martin Paterson, who moved to Burnley in the summer.
Nigel Worthington's side head to Slovenia on Saturday October 11, before hosting San Marino on Wednesday 15.