Defenders Michael Duberry and Steven Anderson are suspended for St Johnstone.
Midfielder Jody Morris played in the Scottish Cup semi-final loss to Motherwell but could yet miss the rest of the season with a back problem, while Graham Gartland (groin) and Collin Samuel (hip) are doubtful.
Peter MacDonald is back following a ban and on-loan Hearts winger Arvydas Novikovas is available again after missing the cup clash.
Inverness winger Jonny Hayes is out for the season after undergoing ankle surgery.
The Irishman is joined on the sidelines by the suspended Ross Tokely and Stuart Duff for the SPL clash against St Johnstone on Monday.
David Proctor (hamstring), Dani Sanchez (hand) and Graeme Shinnie (stomach) remain out.
St Johnstone (from): Enckelman, Smith, Maybury, Grainger, MacKay, Gartland, Taylor, Adams, Craig, Moon, Davidson, Millar, May, Robertson, Caddis, Jackson, Clark, MacDonald, Novikovas.
Inverness (from): Esson, Innes, Munro, Hogg, Gillet, Doran, Odhiambo, Foran, Rooney, Duncan, MacDonald, Ross, Cox, Polworth, Morrison, Sutherland, Tuffey.