Jason Alexander is mainly known for starring in Seinfeld, but he also kicked off his directing career by helming an episode ...

How many Broadway shows has Jason Alexander been in? Jason Alexander has appeared on Broadway in 6 shows. How many West End shows has Jason Alexander been in? Jason Alexander has not appeared in ...

Jason Alexander is guest starring in this week's episode of 'Young Sheldon' and he's asking Meemaw to saddle up into a new business.