Before Game of Thrones and Aquaman, Jason Momoa played Ronon Dex in this sci-fi series.
'Alias': Jennifer Garner and Bradley Cooper
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Before they were movie stars, these two famous faces appeared in a series that followed a double agent for the CIA.
'Everwood': Chris Pratt and Sarah Drew
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The series followed a young Chris Pratt before he became a dorky Andy Dwyer on Parks and Rec or Star-Lord in the MCU. You might also recognize Sarah Drew, who became well-known on the hit tv series Grey’s Anatomy.
'Dark Angel': Jessica Alba
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She’s a gorgeous actress with a long list of acting credits, but in this series Jessica Alba was just getting started.
'Roswell': Katherine Heigl and Colin Hanks
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Colin Hanks landed his first acting role ever alongside Katherine Heigl before the two would go on to gain immense fame.
'Undeclared': Charlie Hunnam, Judd Apatow, Seth Rogen, and Jason Segel
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The show follows a group of college freshmen starring a cast full of recognizable faces.
'Studio 60 on the Sunset Strip': Sarah Paulson
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You probably know Sarah Paulson from a few different things, including her roles on American Horror Story. Before her rise to fame, the actress starred in this series that follows a live sketch comedy show. The series also included Merritt Wever, Matthew Perry, Bradley Whitford, Amanda Peet, D.L. Hughley.
'Friday Night Lights': Michael B. Jordan
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While many are familiar with the show, you may not have noticed a young Michael B. Jordan before he would wind up in the MCU.
'Misfits': Iwan Rheon
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Iwan Rheon starred as a young convict in this series before going on to land the role of Ramsay Bolton on Game of Thrones.
'My So-Called Life': Claire Danes, Jared Leto, and Wilson Cruz
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All three of these actors gained their first notable acting credit from this one-season wonder.
'The Get Down': Justice Smith
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Before acting in Jurassic World: Fallen Kingdom, Justice Smith starred as Zeke in this series set in the ’70s.
'Crashing': Phoebe Waller-Bridge
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If you’ve seen the award-winning British show Fleagbag starring Phoebe Waller-Bridge, then consider checking out this older show.
'Party Down': Adam Scott
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Before he was a lovable nerd on Parks and Rec or the asshole brother in Step Brothers, Adam Scott was a cast member of this series that follows struggling actors in L.A.
'Firefly': Nathan Fillion
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You may know him as the star of Castle, but before this hit show Nathan Fillion starred in a sci-fi show that only lasted one season.
'Broadchurch': Olivia Colman
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She won an Academy Award for The Favourite, but prior to this Olivia Colman starred as a police detective in this investigative series.
'United States of Tara': Brie Larson and Toni Collette
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Before she was Captain Marvel, Brie Larson played the daughter of a whacky woman with a dissociative personality disorder. The mother Tara was played by Toni Collette, who you probably recognize from Hereditary and Knives Out.
'Girlfriends': Tracee Ellis Ross
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Before she was Bow on Black-ish, Tracee Ellis Ross starred in the series Girlfriends.
'Enlightened': Laura Dern
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Though she is known for her roles on Big Little Lies and Marriage Story, Laura Dern starred as character Amy in this quirky series.
'My Mad Fat Diary': Jodie Comer
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If you like Villanelle on Kiling Eve, check out Jodie Comer in her first major role on this British tv series.
'Lincoln Heights': Chadwick Boseman
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Before he became Black Panther, Chadwick Boseman appeared as Nate Sutton, the son of the protagonist in this series.
'12 Monkeys': Emily Hampshire
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If you’re a fan of Schitt’s Creek then you probably recognize actress Emily Hampshire. Before that hit comedy, she played a math genius in this sci-fi series.
'Freaks and Geeks': Linda Cardellini, Seth Rogen, James Franco, Jason Segel, Busy Philipps, John Francis Daley, Samm Levine, and Martin Starr
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Most people know about the star-studded cast of the late ’90s show that only made it one season. It’s well worth a re-watch to see all these famous faces when they were younger.