We cant believe these actors were almost cast in The Big Bang Theory. Our countdown includes Pamela Adlon, Macaulay Culkin, Brie Larson, and more! Whats YOUR favorite TBBT alternate casting choice? Let us know in the comments!

Watch more great casting videos here:
Top 10 Actors That Were Almost Cast in Friends - https://youtu.be/YBnRmhRi8ps
Top 10 Celebs Who Were Almost Disney Channel Stars - https://youtu.be/9WTHaZSNbts
Top 10 Friends Actors Roles Post-Friends - https://youtu.be/DrJWykIyZE8

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