Armitage currently plays Ziggy, son of Shailene Woodley's character Jane, in the HBO series "Big Little Lies." Ziggy has a fairly substantial role in the miniseries, and the young star is definitely one to watch.

TVLine had previously mentioned that CBS was "quietly" casting for the role of young Sheldon, seeking an actor age 8-to-11 to play "confident," "arrogant, "short-tempered," "fiercely ritualistic," "socially awkward, once-in-a-generation genius" who lives in East Texas with his mother.

In the meantime, the fate of the original show is still in question as the network and production company try to finalize the contracts of the actors. If Mayim Bialik and Melissa Rauch are paid to their satisfaction, then fans can look forward to a two-season order of Season 11 and Season 12.

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