So, you’ve binged Ginny & Georgia and now you’re lying awake at 3 AM, staring at the ceiling, wondering: how old is Marcus? Relax, friend—I’ve done the math so you don’t have to risk a spreadsheet-related meltdown. Marcus Baker, the brooding, motorcycle-riding, “I’m not like other guys” teenager, is 16 years old when the show starts. Yes, sixteen. That means he’s old enough to have a driver’s license but still young enough to cry in a car over his dead best friend. Hormones, am I right?

But hold your horses, because the timeline gets messy—like Georgia’s fake identities. By Season 2, Marcus has his 17th birthday, which is conveniently placed around the winter holidays. So if you’re tracking him like a deranged genealogist, he’s 17 during the whole “will-they-won’t-they” drama with Ginny. The real shocker? Actor Felix Mallard was 24 when he played a 16-year-old. That’s eight years of life experience, extra wisdom, and probably very good skincare. Hollywood, you beautiful liar.

Now, let’s talk about why his age matters in the show’s universe. Marcus is meant to be just old enough to drive Ginny to questionable parties, but just young enough to live in his mom’s basement. The writers cleverly used his age to explain his emotional chaos: at 16-17, you’re legally a child but expected to handle adult grief. Poor kid’s brain isn’t even fully developed—and neither is his ability to form complete sentences around Ginny.

Here’s a surprising fact that’ll make you spit out your coffee: Marcus’s age was originally scripted as 15 in early drafts of the show. Yes, fifteen! Imagine that—a 15-year-old with that jawline and a secret weed stash. Netflix must have realized that having a high school sophomore look like a rugged indie band frontman would break the space-time continuum of plausible casting. So they bumped him up a year. Crisis averted.

But wait—there’s a funny twist for fans who overthink everything. In Season 1, Marcus says he’s a junior, which in U.S. high school math makes him 16-17. But his birthday episode happens mid-season, meaning he’s actually both ages across the show’s timeline. So when you ask “How old is Marcus?”, the correct answer is: “It depends on the episode, Brenda.” It’s like asking how old a cat is in human years—it’s all vibes, no accuracy.

Cast of Ginny & Georgia (Season 1–3) | Meet the Stars of the NetflixCast of Ginny & Georgia (Season 1–3) | Meet the Stars of the Netflix

And if you’re wondering about Marcus in Season 3 (which may or may not happen because Netflix loves breaking our hearts), he’d be 18 by the end of senior year. That means he’d legally be an adult, which is terrifying because he still acts like a golden retriever with a leather jacket. The show’s age lottery is a gentle reminder that TV time works like dog years: two seasons can feel like five years if the drama is juicy enough.

So, next time you’re arguing with a friend about Marcus’s age, just laugh and say: “He’s 16-17, but also ageless, like a hot vampire from Twilight.” Then steal their fries and walk away. Because honestly, understanding Marcus’s age is like understanding why pineapples belong on pizza—you’ll never get a definitive answer, but you’ll have a lot of fun trying.

Christopher Briney in 'The Summer I Turned Pretty' Season 2 (left) and How Old Ginny & Georgia's Actors Are Compared To Their Characters