âWhen Calls the Heartâ Adds Melissa Gilbert in Season 12 â Get Details
Melissa Gilbert is set to guest star in two episodes of the long-running series, Hallmark Channel announced at the showâs annual Hearties Family Reunion in Vancouver, BC on Saturday, September. The Little House of the Prairie vet will appear in two episodes as Georgie McGill, who shares a surprising past with one special Hope Valley resident.