But Isaiah Jones will join up with Saints next week after he moved on a temporary deal from Middlesbrough.
Hearts could bring in German midfielder Marcel Langer after signing the 22-year-old from Schalke.
Aaron Hickey (groin) remains out and Michael Smith is still a doubt while another full-back, Ben Garuccio may be rested after playing twice in four days soon after his comeback from a serious knee injury.
St Johnstone provisional squad: Clark, Ralston, Duffy, Booth, Tanser, McCart, Gordon, Kerr, Holt, Swanson, Craig, McCann, O'Halloran, Kane, May, Wotherspoon, Hendry, Northcott, Butcher, Parish.
Hearts provisional squad: Pereira, White, Halkett, Dikamona, Sibbick, Souttar, Bozanic, MacLean, Meshino, Damour, Ikpeazu, Naismith, Walker, Henderson, Irving, Moore, Avdijaj, Garuccio, Langer, Zlamal.