See All the Stars at Comic-Con!

Mark Ruffalo and Chris Hemsworth cracked jokes at the Marvel panel on Saturday.

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The Hunger Games: Mockingjay — Part 1 costars Mahershala Ali, Evan Ross, Natalie Dormer, Wes Chatham, and Elden Henson gathered for a picture on Friday.

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Image Source: Getty / Kent Horner

Theo James and Shailene Woodley popped up for an interview on SiriusXM's Entertainment Weekly Radio Channel on Saturday.

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Image Source: Getty / Joe Scarnici

The cast of Grimm got together for a group shot on Saturday.

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Image Source: Getty / Joe Scarnici

Jeremy Renner brought his sense of humor to the Marvel panel on Saturday.

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Image Source: Getty / Kevin Winter

Jensen Ackles raised the bar at the Supernatural panel on Sunday.

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Image Source: Getty / Ethan Miller

On Saturday, Teen Wolf stars Tyler Posey and Dylan O'Brien goofed around at the Entertainment Weekly party.

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Image Source: Getty / Ethan Miller

On Saturday, the ladies of Game of Thrones — Rose Leslie, Gwendoline Christie, Maisie Williams, and Sophie Turner — epitomized glamour at Entertainment Weekly's bash.

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Image Source: Getty / Mike Windle

Josh Dallas and Colin O'Donoghue played a video game at the Nintendo lounge on the TV Guide magazine yacht on Saturday.

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Image Source: Getty / Frazer Harrison

Benedict Cumberbatch posed with a giant Madagascar penguin on Thursday.

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Image Source: Getty / Albert L. Ortega

Samuel L. Jackson, Chris Evans, and Aaron Taylor-Johnson were in great spirits at the Marvel panel on Saturday.

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Image Source: Getty / Albert L. Ortega

Sarah Paulson and Tatiana Maslany attended Entertainment Weekly's Women Who Kick Ass panel on Saturday.

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Image Source: Getty / Alberto E. Rodriguez

Michael Douglas, Evangeline Lilly, Paul Rudd, and Corey Stoll promoted Ant-Man together on Saturday.

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Image Source: Getty / Kevin Winter

Jensen Ackles couldn't help but laugh during the Supernatural panel with his bud Jared Padalecki on Sunday.

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Image Source: Getty / Ethan Miller

Nina Dobrev and Kat Graham glowed at the Entertainment Weekly event on Saturday.

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Image Source: Getty / Chelsea Lauren

Emma Roberts, Sarah Paulson, and Kathy Bates had a special moment while discussing American Horror Story: Coven on Saturday.

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Image Source: Getty / Ethan Miller

Anna Paquin and Stephen Moyer sat next to each other at the True Blood panel on Saturday.

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Image Source: Getty / Handout

Stephen Amell put his abs on display at the Warner Bros. panel on Saturday.

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Image Source: Getty / ROBYN BECK

Elle Fanning got animated at the Boxtrolls event on Saturday.

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Image Source: Getty / Frazer Harrison

Rose McIver showed off her stems at the Sin City: A Dame to Kill For event on Saturday.

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Image Source: Getty / C Flanigan

Jennifer Morrison let her hair down for the Entertainment Weekly party on Saturday.

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Image Source: Getty / Albert L. Ortega

Ben Affleck looked hotter than ever when he attended the Batman v Superman: Dawn of Justice event on Saturday.

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Image Source: Getty / Handout

Ian Somerhalder's smolder came out as he signed The Vampire Diaries posters on Saturday.

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Image Source: Getty / ROBYN BECK

Josh Brolin got in on the red carpet fun with Jessica Alba and Rosario Dawson while promoting Sin City: A Dame to Kill For on Saturday.

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Image Source: Getty / Albert L. Ortega

Benedict Cumberbatch's big eyes were on display at The Hobbit: The Battle of the Five Armies panel on Saturday. Meanwhile, Cate Blanchett continued laughing up a storm.

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Image Source: Getty / Mark Davis

Nina Dobrev, Paul Wesley, Ian Somerhalder, Kat Graham, and Matthew Davis took group pictures at the Vampire Diaries event on Saturday.

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Image Source: Getty / Mark Davis

Jada Pinkett Smith struck a sexy pose at the Gotham zip line event on Saturday.

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Image Source: Getty / Albert L. Ortega

Orlando Bloom and Cate Blanchett made one gorgeous pair of costars while promoting The Hobbit: The Battle of the Five Armies on Saturday.

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Image Source: Getty / Alberto E. Rodriguez

Paul Rudd showed off his boyish grin at Marvel's Ant-Man booth on Saturday.

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Image Source: Getty / Joe Scarnici

Jessica Alba and Rosario Dawson looked like they were having a ball on the red carpet at the Sin City: A Dame to Kill For event on Saturday.

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Image Source: Getty / Kevin Winter

Zachary Quinto and Hannah Ware were all smiles at the Hitman: Agent 47 panel on Friday.

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Image Source: Getty / Handout

Nina Dobrev snapped a selfie with Paul Wesley while representing the Vampire Diaries cast on Saturday.

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Image Source: Getty / Kevin Winter

Facepalm! Cate Blanchett was laughing during The Hobbit: The Battle of the Five Armies panel with costars Benedict Cumberbatch, Orlando Bloom, and Evangeline Lilly on Saturday.

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Image Source: Getty / Albert L. Ortega

On Friday, Christina Applegate and Channing Tatum leaned in close for a snap at the 20th Century Fox presentation, where they promoted their movie, Book of Life.

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Image Source: Getty / Joe Scarnici

Orlando Bloom lit up while checking out a motorcycle on the red carpet at Playboy and A&E's Bates Motel event on Friday.

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Image Source: Getty / Albert L. Ortega

Salma Hayek struck a pose before a panel for her movie Everly on Friday.

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Image Source: Getty / Handout

Game of Thrones stars Maisie Williams, Kit Harington, Pedro Pascal, and Sophie Turner let loose on Friday.

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Image Source: Getty / Ethan Miller

Grimm's Bree Turner and Silas Weir Mitchell brought the laughs at their panel on Saturday.

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Image Source: Getty / ROBYN BECK

Rob Riggle, Keegan Michael Key, Nina Dobrev, and Damon Wayans Jr. huddled on the red carpet at the Let's Be Cops event.

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Image Source: Getty / Ethan Miller

Costars Emily Deschanel and David Boreanaz were all smiles at Fox's Bones panel on Friday.

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Image Source: Getty / Joe Scarnici

On Saturday, Jessica Alba bared her midriff at the Sin City: A Dame to Kill For event.

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Image Source: Getty / Albert L. Ortega

Game of Thrones costars Nikolaj Coster-Waldau, Kit Harington, and Pedro Pascal buddied up on the red carpet at HBO's event for their show on Friday.