Remember that feeling of flipping through channels on a rainy Saturday afternoon, only to land on a familiar laugh track and a group of teens hanging out in a dusty basement? That’s That ‘70s Show for most of us. It feels like yesterday we were watching Eric, Donna, and the gang get into trouble, all while trying to sneak a beer from Red Forman’s fridge. But here’s the thing that might make you feel a little old yourself: the actors who played those teens are now well past their own 20s.

From teenagers to real-life adults

When the show first aired in 1998, most of the main cast were actually in their early 20s, playing 17-year-olds. Topher Grace, who played the lovable geek Eric Forman, was 20. Mila Kunis, who played the sharp-tongued Jackie Burkhart, was only 14 when she auditioned—she had to lie about her age to get the part! Today, Topher Grace is 46, and Mila Kunis is 41. It’s a little jarring to think that the girl we watched obsess over Kelso is now a mother of two, just like the rest of us.

Ashton Kutcher, who played the dim but adorable Michael Kelso, was 20 when the show started. He’s now 46 and has traded his butterfly collar for a seat in the boardroom of his tech investments. You might remember him as the guy who always fell over furniture—now he’s a serious businessman and a dad. Meanwhile, Laura Prepon (Donna Pinciotti) is 44, and Wilmer Valderrama (Fez) is 44 as well. They’ve all grown up, just like the friends we shared a couch with in our own living rooms.

Comparing their ages to your own life

Think about your own life for a second. If you were in high school when the show ended in 2006, you’re probably closing in on 40 now. That means you’ve had time to buy a house, switch careers, or finally learn how to cook something more complicated than macaroni and cheese. The cast has done the same—but with a lot more cameras and red carpets. It’s a funny little reminder that time moves fast for everyone, whether you’re a TV star or just trying to get through your Tuesday work meeting.

What makes this fun is the nostalgia trip. You can still watch that episode where Eric turns his Vista Cruiser into a “magic bus,” and the ages of the cast don’t matter. But secretly, knowing that Danny Masterson (Steven Hyde) is now 48, or that Debra Jo Rupp (Kitty Forman) is 73, adds a layer of “where did the years go?” to the experience. It’s like bumping into an old school friend at the grocery store—you grin, you hug, and you both laugh about how much has changed.

The 70s show castThe 70s show cast

Why you should actually care

You might be thinking, “Why does it matter how old some actors are?” Here’s the fun part: it makes you feel connected to something bigger. When you realize these actors are now the same age as your older cousin or your boss, it turns a TV show into a shared timeline. You remember watching That ‘70s Show while eating pizza with your college roommates, and now you’re the one ordering pizza for your own kids. It’s a warm, fuzzy reminder that growing up is universal.

Plus, it’s a great conversation starter at parties. You can lean over and say, “Hey, did you know Mila Kunis was only 14 when she started on the show?” and watch everyone’s jaw drop. It’s a little piece of trivia that makes you feel smart, even if you’re just remembering it from this article. So next time you binge-watch an episode, take a moment to smile at how old the cast is now—it’s proof that even the coolest teenagers eventually have to set a Coors Light down and start paying bills.

That ’70s Show - Sorozatjunkie That '70s Show then vs now: See how the cast has changed over the years