June Squibb as Constance “MeeMaw” Tucker
Sheldon’s grandma, MeeMaw, was played by June Squibb and was originally from Texas. Moonpie was MeeMaw’s favorite grandchild, and he was affectionately known as “Moonpie.” by his grandmother. Sheldon had a strong protective instinct towards her. June Squibb is a real-life actress who has been nominated for an Academy Award for her performance in Nebraska (2013).
Brian Posehn As Bert Kibbler
Professor Bertram Kibbler was a geologist at the California Institute of Technology. At initially, he was attracted to Amy, but after a terrible first outing, the two decided to part ways and never met again. A variety of initiatives, including New Girl and Mission Hill, have benefited from Brian Posehn’s expertise.