8 Side-By-Sides of the Young Sheldon Cast: Start vs. Now – How Far They’ve Come!

Yo, if you’re a Young Sheldon fan, you’re in for a ride! After 7 seasons, the Young Sheldon cast has grown up right in front of our eyes. I’m talking transformation vibes. It’s wild how much the Young Sheldon actors have changed since Day 1, and we’re here to look back at some epic side-by-sides to remind you just how fast time flies. This is the moment to celebrate the incredible journey of these stars – because looking back, you’ll see how far they’ve come. Let’s go!

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Cbs Photo Archive / CBS via Getty Images

1. Iain Armitage as Sheldon Cooper

  • Season 1: Iain was just getting started as that quirky genius we all know and love.
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CBS / Via Netflix

Season 7: Boom! Iain’s 15 now and absolutely owning the role. He’s grown up on screen, and it shows.

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CBS / Via Paramount+

Side-by-side comparison? Jaw-dropping!

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CBS / Via Netflix / Paramount+

2. Raegan Revord as Missy Cooper (Sheldon’s twin sister)

  • Season 1: Just 9 years old when the show kicked off.
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CBS / Via Netflix

Season 7: Now she’s 16 and thriving as Missy, bringing real depth to her character.

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CBS / Via Paramount+

Side-by-side? Wow. The Young Sheldon cast Missy transformation is real!

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CBS / Via Netflix / Paramount+

3. Montana Jordan as Georgie Cooper

Season 1: 14 years old, giving us that older brother energy.

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CBS / Via Netflix

Season 7: He’s 21 now! Talk about growth – he’s evolved just like the cast of Young Sheldon.

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CBS / Via Paramount+

Side-by-side? Mind blown.

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CBS / Via Netflix / Paramount+

4. Zoe Perry as Mary Cooper

Fun fact: Zoe’s real-life mom, Laurie Metcalf, played the same character on The Big Bang Theory. How cool is that?!

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CBS / Via Netflix

Zoe’s been delivering an incredible performance since Season 1, and she’s only gotten better by Season 7.

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BS / Via Paramount+

Side-by-side? You’ll be amazed by how much she’s evolved.

5. Lance Barber as George Cooper Sr.

Before landing his role as Sheldon’s dad, Lance had a cameo on The Big Bang Theory. Full circle, right?

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CBS / Via Netflix

Season 7? He’s still killing it as George Cooper Sr.

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CBS / Via Paramount+

Side-by-side? Yeah, you’ll want to see it.


The Young Sheldon cast now is a testament to the power of growth and sticking to the game for the long haul. These Young Sheldon actors aren’t just characters on a show; they’re proof that hard work and time can lead to something amazing. Whether you’re looking up the Young Sheldon cast or want to see how the Young Sheldon actors now compare to when the show started, these side-by-sides are all the proof you need.

They’ve come a long way, and you can too! Keep grinding and let’s make it happen!

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