Maggie Lawson As Ms. McMartin Now
Lawson has appeared on shows like The Great Outdoors, Psych, and Angel From Hell. She also appeared in the film adaptation of Psych. Later, in 2019, she appeared in Lethal Weapon. She married Ben Koldyke in 2015, but filed for divorce from him in 2017.
Conchata Ferrell As Berta Then
Conchata Ferrel portrayed Berta, a motherly figure who has consistently been around for the guys and even stayed with Alan even after Charlie’s death. She has appeared in every single season of the show.