According to Variety, the Big Bang Theory ‘s Brian Posehn, Lauren Lapkus, and Kevin Sussman will all star in the new series which was originally announced back in April 2023. They’ll all reprise their roles from the original series with Posehn returning as Caltech professor Bert Kibbler,

The Big Bang Theory may have come to an end, but its universe continues to be developed through new spin-offs. The cast of the third includes some familiar faces.