Getty No better day than Mother's Day to announce the birth of your first child!Kayla Wallace, who starred in Hallmark's When Calls the Heart and Paramount+'s Landman, has welcomed her first child with Hallmark hunk husband Kevin McGarry, who also stars in When Calls the Heart, she revealed on Instagram on Sunday (May 10). "Mother. The newest part of me that became the best part of me the second we met. Motherhood has been the greatest joy of my life. Happy Mother's Day," Kayla captioned a joint post with Kevin, featuring a photo of the baby's tiny fingers wrapped around their fingers.