Thommo, Chris Barker (on loan at Colchester) and Jeff Whitley (on loan at Wrexham) have been transfer listed.
Neil Alexander and Kevin Campbell are among 12 players out of contract who have been allowed to leave Ninian Park.
The others are Gregg Coombes, Michael Corcoran, Luigi Glombard, Mark Howard, Curtis McDonald, Nick McKoy, Jeff Whitley, Scott Allison, Jamal Easter, Scott McCoubrey.
Arsenal's Kerrea Gilbert, Willem II's Iwan Redan and Charlton's Simon Walton have returned to their clubs after the end of their loan deals.
Taking those players out of the equation we have the following 19 listed players still at the club.
Goalkeepers (1)
Forde
Full backs (4)
McNaughton
Gunter
Ledley
Jacobson
Centre backs (3)
Purse
Johnson
Loovens
Midfielders (7)
Whittingham
McPhail
Parry
Flood
Scimeca
Ramsey
Blake
Forwards (4)
Chopra
Byrne
Feeney
Green