San Diego Comic-Con 2019 - Andy Bean, Isaiah Mustafa, James Ransone, Bill Hader, Jessica Chastain, Andy Muschietti, Director, James McA

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You never know who you'll see at Comic-Con!

With 2019 Comic-Conofficially underway this week, the stars have begun to align in San Diego in honor of the annual convention. And with all things sci-fi, fantasy and superhero par for the course, familiar faces will be all around to give the fans what they want: new details on all the movies and TV shows coming their way.  

For example, the cast of the upcoming It sequel, It Chapter Two, gathered for ScareDiego just ahead of the debut of the film's newest trailer. Spoiler alert: it will probably give you nightmares. 

As is the case every year, we expect plenty of news out of Comic-Con, so keep your eyes peeled for all the stars and surprises in store. 

If you could not get to San Diego, not to fret! Follow E!'s gallery below for all of the Comic-Con star sightings from the comfort of your couch.

Camila Mendes, KJ Apa, Lili Reinhart, Cole Sprouse, 2019 Comic-Con

Albert L. Ortega/Getty Images

Camila Mendes, 2019 Comic-Con

Albert L. Ortega/Getty Images

Misha Collins, Jensen Ackles, Jared Padalecki, Alexander Calvert, 2019 Comic-Con

Kevin Winter/Getty Images

Lili Reinhart, 2019 Comic-Con

Frazer Harrison/Getty Images

Jensen Ackles, Jared Padalecki, 2019 Comic-Con

Kevin Winter/Getty Images

Comic-Con 2019, Jennifer Connelly

Broadimage/Shutterstock

Comic-Con 2019, Jameela Jamil

Richard Shotwell/Invision/AP/Shutterstock

Comic-Con 2019, Tom Hiddleston

Broadimage/Shutterstock

Comic-Con 2019, Benedict Cumberbatch, Elizabeth Olsen

Broadimage/Shutterstock

Comic-Con 2019, Scarlett Johansson

Broadimage/Shutterstock

Comic-Con 2019, Salma Hayek

Broadimage/Shutterstock

Natalie Portman, Chris Hemsworth, Tessa Thompson, Comic-Con 2019

Kevin Winter/Getty Images

Angelina Jolie, Comic-Con 2019

CHRIS DELMAS/AFP/Getty Images

Yara Shahidi, Comic-Con 2019

Jerod Harris/Getty Images for Audible

Jameela Jamil, Comic-Con 2019

Joe Scarnici/FilmMagic

Rebecca Romijn, Comic-Con 2019

Albert L. Ortega/Getty Images

Kristen Bell, Comic-Con 2019

Araya Diaz/Getty Images

Madelaine Petsch, Lili Reinhart, Camila Mendes, KJ Apa, Tim Kash, Cole Sprouse, Riverdale, Cast, Comic-Con 2019

Tommaso Boddi/Getty Images for IMDb

Camila Mendes, KJ Apa, Comic-Con 2019

Tommaso Boddi/Getty Images for IMDb

Comic-Con 2019, Julie Ann Emery, Ruth Negga

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, Camila Mendes

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, KJ Apa

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, Madelaine Petsch

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, Melissa Benoist, Chyler Leigh

CHRIS DELMAS/AFP/Getty Images

Comic-Con 2019, Elisabeth Shue, Erin Moriarty, Karen Fukuhara

Araya Diaz/WireImage

Comic-Con 2019, Cole Sprouse, KJ Apa

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, Norman Reedus, Melissa McBride, Ryan Hurst

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, Eleanor Matsuura, Avi Nash

Presley Ann/Getty Images for Pizza Hut

Comic-Con 2019, Jeffrey Dean Morgan, Angela Kang

Presley Ann/Getty Images for Pizza Hut

Henry Cavill, Comic-Con 2019

Kevin Winter/Getty Images

Nikolaj Coster-Waldau, Jacob Anderson, John Bradley, Maisie Williams, Isaac Hempstead, Game of Thrones, Comic-Con 2019

Jeff Kravitz/FilmMagic for HBO

Taron Egerton, Mark Hamill, Comic-Con 2019

Kevin Winter/Getty Images

Olivia Munn, Comic-Con 2019

Rich Polk/Getty Images for IMDb

Orlando Bloom, Comic-Con 2019

Jerod Harris/Getty Images

Yvette Nicole Brown, Comic-Con 2019

Kevin Winter/Getty Images

John Bradley, Comic-Con 2019

Amy Sussman/Getty Images

Jason Dohring, Kristen Bell, Comic-Con 2019

Chris Pizzello/Invision/AP/Shutterstock

Angela Kang, Danai Gurira, Jeffrey Dean Morgan, Comic-Con 2019

Richard Shotwell/Invision/AP/Shutterstock

Chace Crawford, Comic-Con 2019

Rich Polk/Getty Images for IMDb

Cailey Fleming, Norman Reedus, Comic-Con 2019

Chelsea Lauren/Variety/Shutterstock

Chloe Bennet, Comic-Con 2019

Jerod Harris/Getty Images

Percy Daggs III, Ryan Hansen, Kirby Howell-Baptiste, Comic-Con 2019

Amy Sussman/Getty Images

Erin Moriarty, Comic-Con 2019

CHRIS DELMAS/AFP/Getty Images

Dafne Keen, Lin-Manuel Miranda, Ruth Wilson, San Diego Comic-Con 2019

Jeff Kravitz/FilmMagic for HBO

Shiri Appleby, Kevin Zegers, Comic-Con 2019

Presley Ann/Getty Images for Pizza Hut

Cobie Smulders, Jake Johnson, Michael Ealy, San Diego Comic-Con 2019

Image Group LA via Getty Images

Aisha Tyler, San Diego Comic-Con 2019

Amy Sussman/Getty Images

America Ferrera, Ben Feldman, Superstore, San Diego Comic-Con 2019

Todd Williamson/NBC

Photos

See More From Comic-Con 2019: Star Sightings

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