Georgie & Mandy’s First Marriage reintroduces fans to familiar characters from Young Sheldon while also welcoming some new faces.
The Big Bang Theory, which aired from 2007 to 2019, featured a cast that included Jim Parsons (Sheldon Cooper), Kaley Cuoco (Penny Teller), Johnny Galecki (Leonard Hofstadter), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Raj Koothrappali), Mayim Bialik (Amy Farrah Fowler), and Melissa Rauch (Bernadette Rostenkowski). This ensemble brought to life a group of friends made up of scientists and their partners.
In light of its success, CBS launched Young Sheldon as a prequel to The Big Bang Theory. This series followed young Sheldon (Iain Armitage), a child prodigy growing up in Texas, and introduced fans to his brother Georgie (Montana Jordan), sparking interest in Georgie’s romance with Mandy (Emily Osment).
After concluding in 2024, Young Sheldon paved the way for the franchise’s expansion. Georgie & Mandy’s First Marriage, set to premiere in October, explores the couple’s journey as they navigate the challenges of marriage and parenthood while living with Mandy’s parents.
What to Know About ‘Georgie & Mandy’s First Marriage’
Keep reading for a guide to each character’s history within the Big Bang Theory franchise!
Georgie Cooper
Jordan’s first acting role was playing Sheldon Cooper’s older brother on Young Sheldon from 2017 to 2024. In the show’s seventh and final season, Georgie exchanged vows with Mandy, and they expanded their family, which became the focus of Georgie & Mandy’s First Marriage.
Mandy McAllister
Osment was cast as Mandy during season 5 of Young Sheldon. She went from recurring to main cast member one season later before scoring the Georgie & Mandy’s First Marriage spinoff. Osment is an executive producer on Georgie & Mandy’s First Marriage in addition to starring.
Jim McAllister
Will Sasso made recurring appearances on season 6 and 7 of Young Sheldon as Mandy’s father before becoming a main cast member on Georgie & Mandy’s First Marriage.
Audrey McAllister
Rachel Bay Jones is reprising her role as Mandy’s mother on Georgie & Mandy’s First Marriage after being a recurring cast member on the last two seasons of Young Sheldon.
Connor McAllister
Dougie Baldwin was cast as Connor on Georgie & Mandy’s First Marriage. He replaced Joseph Apollonio, who was originally cast as Mandy’s brother in Young Sheldon.
Ruben
Jessie Prez is introduced in The Big Bang Theory franchise as an employee at Jim’s company in the first season of Georgie & Mandy’s First Marriage.
Connie Tucker
Annie Potts will reprise her role as Georgie’s grandmother on Georgie & Mandy’s First Marriage after originating it on Young Sheldon. Zoe Perry, who plays Mary Cooper, and Raegan Revord, who portrayed Missy Cooper, are joining Potts as guest stars.
