Celebs you forgot were on Dawson's Creek

Dawson's Creek was a launching pad for the careers of Katie Holmes, Joshua Jackson, and the rest of the gang — but the show's stars aren't the only ones who benefitted from appearing on The WB. The six seasons of the hit show played host to dozens of actors you (probably) forgot did time down at the Creek.

Who could forget Dawson’s first nemesis, the popular jock who briefly dates Jen, played by the future Felicity and Scandal star?

Audrey hits rock bottom and after sleeping with Bob, played perfectly by Rogen, he joins her on the road trip to rehab in LA.

We meet Pacey's mom during his dysfunctional family birthday dinner, which was filled with whatever the opposite of glee is.

The Supernatural star played a teen helpline counselor who dates Jen (despite having slept with Audrey!) in much of the final season.

Just after starring in She’s All That, Cook played a model who meets Dawson at her college library, where he casts her as the lead in his short film.

The Veep star makes a brief cameo as Mr. Brooks’ doctor who tasks Dawson with making a big decision about life support.

The Walking Dead star first played a girl in a bar Dawson meets on a road trip. Later, she played Joey’s boss, but the scene was cut from the series finale.

The One Tree Hill star played the brooding musician who dates Jen until she finds out he has another girlfriend. He later sweeps Joey off her feet until she dumps him so he’ll go on tour.

The Modern Family actress was Dawson’s fun aunt who hosts the group for a weekend getaway and catches Joey and Pacey mid-kiss, pushing them to face the truth about their budding relationship.

The adorable Jerry Maguire star played a kid paired up with Pacey through a mentorship program.

The longtime NCIS star played the therapist Dawson goes to see after Mitch Leery (spoiler alert!) dies.

The This Is Us actress had a small part as Jack’s ex-girlfriend who pays a visit to Capeside unaware that he’s come out.

Before she starred on Rizzoli & Isles, Alexander played Pacey’s older sister who dates Dawson for much of his senior year.

Salenger, who recently married Patton Oswalt, had a tony arc as Boston movie critic who gives Dawson a tough time about screening his short film. The two ultimately hit it off, though, and spend the night together.

The Game actress portrayed one of, if not the, worst Dawson’s character. After Dawson meets the mysterious bad girl on a bus, the two have a short-lived romance and share an infamous intimate moment on stage at homecoming.

Before breaking out in Varsity Blues, Larter was the popular girl in school Pacey always had a crush on.

The Once Upon a Time actress portrayed Pacey’s summer-at-sea fling, a rich law student named Melanie.

Pitt was the adorable freshman football player Jen had no interest in dating but his many attempts to win her affection — which includes selling his own blood for money to take her to a fancy restaurant — eventually wor.

The Clueless actor had a cameo as Joey’s boyfriend in the series finale flash-forward.

Joey and her married writing professor, played by Marino, grow close and share a forbidden kiss.

The Nashville actor was Joey’s on-again, off-again collegeboyfriend, but on the heels of a trip to Europe, the two ends things for good.

One of a few Twin Peaks stars to have appear on the series, Amick played Dawson’s teacher who rips his movie apart, and then makes matters worse when she later dates his dad.

The Roswell star recurred as a sometimes friend, mostly foe, who also has a one-night stand with Jen.

The Buffy and Pretty Little Liars actress was an aspiring young filmmaker, who also happens to be Principal Green’s daughter, and connects with Dawson for obvious reasons.

Osbourne played himself and one of Audrey Liddell’s longtime family friends.

Before he terrorized on The O.C., the actor played a teen with an adorable infatuation with “older woman” Joey.

The Blue Crush star played the angsty daughter of Joey’s professor.