Captain Jim Goodwin and Marc McAusland are suspended for St Mirren's trip to Inverness in the Clydesdale Bank Premier League on Boxing Day.
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Manager Danny Lennon has doubts over Kenny McLean (knock), Gary Teale (abductor) and Paul Dummett (muscle).
Paul McGowan could get some game time after recovering from his shoulder injury.
Inverness boss Terry Butcher has an unchanged squad to pick from.
Nick Ross (shoulder) and Simon King (ankle) are moving toward a comeback but are not ready for first-team action.
Defender Chris Hogg remains out with a knee injury.
Inverness (from): Reguero, Meekings, Raven, Warren, Blackman, G Shinnie, Morrison, A Shinnie, Pepper, Draper, Tudur Jones, Doran, McKay, Cooper, Polworth, Oswell, Brislen-Hall, Roberts, Foran, Laing, Sutherland, Esson.
St Mirren (from): Samson, Van Zanten, Dummett, Teale, Robertson, Mair, McGowan, McLean, McGinn, Thompson, Parkin, Guy, Smith, Imrie, Carey, Barron, Kelly, Naismith.