Here Are Some Side-By-Sides That Show The "Guardians Of The Galaxy Vol. 3" Cast Then Vs. Now

    The Guardians are alllll grown up!

    The Guardians of the Galaxy are back for one final epic chapter.

    Star-Lord, Drax, Rocket, Gamora, Groot, Nebula, and Mantis in Guardians of the Galaxy Vol. 3

    In honor of the MCU trilogy coming to a bittersweet end, let's take a walk down memory lane to see how your favorite cast members first got their start in Hollywood. Take a look:

    To start, Chris Pratt is making his return as Peter Quill, aka Star-Lord.

    Chris Pratt in Guardians of the Galaxy Vol. 3

    But he first made a name for himself as Bright Abbott in the early '00s TV series, Everwood.

    Chris Pratt in Everwood

    Zoe Saldaña is reprising her role as Gamora — this time as the new, alternate version after Avengers: Endgame.

    Zoe Saldaña in Guardians of the Galaxy Vol. 3

    Rewind to 2000 when she got her start as Eva in Center Stage.

    Zoe Saldaña in Center Stage

    Dave Bautista is back again as Drax.

    Dave Bautista in Guardians of the Galaxy Vol. 3

    You may remember him as a wrestler with the WWE, starting in 2002.

    Batista during WWE WrestleMania 21

    Bradley Cooper is voicing Rocket for yet another Guardians mission.

    But he made his movie debut as Ben in the 2001 cult classic, Wet Hot American Summer.

    Amy Poehler and Bradley Cooper in Wet Hot American Summer

    Vin Diesel is another voice actor returning as Groot.

    But one of his most famous roles dates back to 2001 where he played Dominic Toretto in The Fast and the Furious, a role he still plays.

    Vin Diesel in The Fast and the Furious

    Karen Gillan is back on screen as Nebula.

    Karen Gillan in Guardians of the Galaxy Vol. 3

    You probably know her best from one of her first roles as Amy Pond in Doctor Who alongside Matt Smith.

    Karen Gillan in Doctor Who

    Pom Klementieff is another OG cast member suiting up as Mantis once more.

    Pom Klementieff in Guardians of the Galaxy Vol. 3

    One of her earliest on-screen appearances happened in 2013 when she portrayed Haeng-Bok in Oldboy.

    Pom Klementieff in Oldboy

    Sean Gunn is another Guardians alum reprising his role as Kraglin.

    Sean Gunn in Guardians of the Galaxy Vol. 3

    Fans of Gilmore Girls will remember him as Kirk, where he appeared in over 130 episodes.

    Sean Gunn in Gilmore Girls

    Maria Bakalova voices Cosmo the Spacedog.

    A few years ago, she was cast as Tutar Sagdiyev in Borat Subsequent Moviefilm.

    Irina Novak, Sacha Baron Cohen in Borat Subsequent Moviefilm

    Sylvester Stallone is another MCU veteran returning as Stakar Ogord.

    Sylvester Stallone on the red carpet

    But it's hard to forget when he made his first appearance as Rocky in 1976.

    Sylvester Stallone, Carl Weathers in Rocky

    Elizabeth Debicki is making her comeback as Ayesha.

    Elizabeth Debicki on the red carpet

    She played Jordan Baker in the 2013 film adaptation of The Great Gatsby.

    Elizabeth Debicki in The Great Gatsby

    Will Poulter is making his MCU debut as Adam Warlock.

    Will Poulter in Guardians of the Galaxy Vol. 3

    His very first acting role was Lee Carter in 2007's Son of Rambow.

    Will Poulter in Son of Rambow

    Chukwudi Iwuji is another newcomer to the cast playing the High Evolutionary.

    Miriam Shor, Chukwudi Iwuji in Guardians of the Galaxy Vol. 3

    But he actually made one of his first TV appearances in Doctor Who in 2011. He appeared alongside Karen Gillan, too.

    Chukwudi Iwuji in an episode of Doctor Who

    And finally, Linda Cardellini is lending her voice talents as another new character named Lylla.

    She started acting in the '90s when she landed her first role as Sarah in Bone Chillers.

    Linda Cardellini in Bone Chillers

    Who's your favorite character from Guardians of the Galaxy Vol. 3? Share your pick in the comments!