Tam Nguyen (Ryan Phuong) is introduced in "Young Sheldon" Season 1 and hits it off with Sheldon over comic books and their other nerdy interests. Outside of Tam being one of the few humans Sheldon ...

Tam Nguyen, played by Ryan Phuong, is Sheldon's first real friend. The pair quickly bond when Sheldon starts Medford High School but Tam suddenly disappears in Season 4, shortly after Sheldon ...