The Big Bang Theory star Jim Parsons serves as the show’s narrator and exec producer. Iain Armitage plays a cute, bow-tie-wearing Sheldon Cooper who is well versed in science but has a hard time understanding social cues.
Zoe Perry plays Sheldon’s mother Mary, whose devout Christian faith causes friction with her son’s irreligious ways.
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Lance Barber
Lance Barber, best known for playing Leonard Hofstadter’s bully on Grey’s Anatomy, has a small role on the Big Bang Theory spinoff. He plays Sheldon’s father, George Cooper. Iain Armitage stars as Sheldon Cooper, a child prodigy in various branches of mathematics and science. He lacks a full understanding of social cues and has a sense of superiority over everyone around him.
Zoe Perry plays Mary Cooper, Sheldon and Georgie’s mother. She is a dedicated and talented actress with a diverse filmography. She’s also appeared on Law & Order: SVU and Private Practice.
Raegan Revord
Raegan Revord is a talented child actress who has gained global recognition for her performances in several television series. She is best known for her role as Missy Cooper, Sheldon’s sassy twin sister on the popular comedy show Young Sheldon.
She has also appeared in Modern Family, Wish Upon A Star, and the Netflix series Grace and Frankie. She is a dedicated animal rights activist, and she shares her home with four rescue dogs. Montana Jordan plays George Marshall, Sheldon’s older brother. He is not as academically gifted as Sheldon, but he has good entrepreneurial skills. He and Sheldon often butt heads with each other.
Zoe Perry
Zoe Perry, the real-life daughter of adult Sheldon’s mother Laurie Metcalf, plays his protective, loving mother Mary. She is a devout Christian and clashes with Sheldon’s atheism and derision of Christianity.
Iain Armitage (Shameless, Big Little Lies) is the young Sheldon Cooper, a boy genius with limited empathy and a rigid set of routines. He perfectly recreates Jim Parsons’ perky insouciance. Sheldon heads to high school and tries to find his place in the world. He and his family struggle with the social expectations of being a genius.
Emily Osment
Iain Armitage stars as Sheldon Cooper in this single-camera comedy. He’s joined by Zoe Perry as Mary, Sheldon’s protective and lovable mother, Montana Jordan as Sheldon’s older brother Georgie, and Raegan Revord as his twin sister Missy.
Annie Potts plays Connie, Sheldon and Missy’s foul-mouthed and hard-drinking Texas grandmother who’s supportive of her grandkids’ unique gifts. She’s also appeared on Roseanne and Law & Order: SVU available on lookmovie. Jim Parsons voices Sheldon in Young Sheldon’s narration. He’s also starred in The Big Bang Theory and The Comeback. He can be seen in Scoob! and PAW Patrol: The Movie.
Wallace Shawn
Wallace Shawn is a veteran character actor with credits in Clueless, Princess Bride, Star Trek, and more. He brings a lot to the show as Dr. John Sturgis, Sheldon’s college professor. Shawn is also known for his roles on Blue Collar and St. Elsewhere.
Ryan Phuong is Sheldon’s Vietnamese-American childhood friend Tam. He introduces Sheldon to comic books and role-playing games. Zuleyka Silver plays Selena, Pastor Jeff’s Hispanic ex-wife. Sheldon has friction with her due to her religious beliefs. She also calls Sheldon a gold digger.
Dr. Gant Linkletter
Montana Jordan plays the role of Sheldon’s brother Georgie in Young Sheldon. He is a popular actor who has appeared in several television shows including Roseanne and Grey’s Anatomy. He is also well known for his performance in the film Whitetail Deer Hunter. Wallace Shawn as John Sturgis, Sheldon’s college physics professor. He has rhotacism and often clashes with Sheldon over his sloppy grammar.
Paige Swanson (Mckenna Grace) is Sheldon’s 10-year-old student who has better social skills than him and can discuss subjects other than science. She is a rival to him for Dr. Sturgis’ affections.
Billy Gardell
Billy Gardell is a familiar face to CBS viewers, having previously starred in Mike and Molly. He has also appeared on New Girl and Girl Meets World. He plays Herschel Sparks’ son, Billy, on Young Sheldon. He teases Sheldon just as much as Georgie but is less academically inclined. Billy is very perceptive, though.
Raegan Revord plays Missy Cooper, Sheldon’s younger twin sister. She is very perceptive and while she doesn’t have the same intellectual capabilities as Sheldon, she does have a strong love for him.
Ryan Phuong
Ryan Phuong portrays Tam Nguyen, Sheldon’s Vietnamese-American childhood friend who introduced him to many of his non-scientific interests. He also played the adult version of Tam on The Big Bang Theory.
He is a highly talented actor who can make audiences laugh with his humorous performances. Young Sheldon has given him tremendous recognition and his performance is commendable. He has earned a considerable net worth from his acting career. He has several upcoming projects in his pipeline.
Melissa Peterman
Melissa Peterman has been acting on TV since the 1990s and is known for her roles in Reba and Baby Daddy. She is also a regular on the CBS comedy series Young Sheldon as Brenda Sparks. Zoe Perry plays Mary Cooper, Sheldon’s overprotective mother. She is an experienced stage and television actress and has appeared in shows such as Roseanne, Scandal, and Private Practice.
The cast of Young Sheldon has performed exceptionally well and has achieved considerable financial success. Their contributions to the show have made them household names.
Brenda Sparks
Reba McEntire recurred as June Ballard, Dale’s ex and the hairdresser Meemaw befriended. She also portrayed Amy, who is essentially Sheldon’s female counterpart. Wyatt McClure portrays Billy Sparks, the son of the Cooper family’s neighbors Herschel and Brenda. He starts off the series as Sheldon’s nemesis but eventually becomes his friend.
He teases Sheldon, Georgie and Missy but she also loves him. She has a keen sense of social cues and often catches Sheldon off guard. Her wit is unmatched. She is a force to be reckoned with.
