The Big Bang Theory has expanded into two spin-off series, but only one actor has played three different characters across ...

Before he joined the cast of Young Sheldon, Lance Barber played a completely different character on The Big Bang Theory.

John Ross Bowie, who famously played Sheldon's frequent nemesis Barry Kripke, will reprise the part in Max's new Big Bang Theory spin-off.

Georgie & Mandy's First Marriage co-creator Steve Holland on bringing back Lance Barber's (Young Sheldon) late George Cooper Sr.

The Big Bang Theory's Jim Parsons found relief with the introduction of Mayim Bialik's character, Amy Farrah Fowler, in Season 3. Amy's presence helped ease the pressure on Parsons by sharing complex ...