Comic-Con 2016 is upon us and the huge crowds downtown come with the possibility of seeing one of your favorite celebrities.
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Celebrities are known to surprise fans while they just walk around like the rest of us. But if you want to guarantee you see a big star, you might want to attend a major panel inside of the convention center.
Here's a list of some celebrities we know will be making an appearance at Comic-Con.
Will Smith will be with the rest of the cast of "Suicide Squad" as part of the Warner Bros. panel slot on Saturday. That will be located in Hall H at 11:30 a.m.
Jared Leto will be joining Will Smith for the "Suicide Squad" panel on Saturday. Leto is bringing the Joker character back to life for the movie that will be released August 5, 2016. The panel is Saturday at 11:30 a.m. in Hall H.
Margot Robbie, who plays Harley Quinn in "Suicide Squad" will also be in attendance with her other cast mates.
Justin Timberlake and Anna Kendrick are making an appearance early Thursday for the "Trolls" panel. Kendrick voices a troll leader and Timberlake will voice her polar opposite in the animated movie set to be released November 4. We're expecting this panel to be filled with tons of laughter. It takes place Thursday at 10 a.m. in Hall H.
Conan O'Brien is back in downtown San Diego taping episodes of his show until Saturday. He will also be moderating the Warner Bros. Pictures panels in Hall H on Saturday starting at 11:30 a.m.
Kareem Abdul-Jabbar, the NBA legend, can now add comic book writer to his list of accomplishments. He will be debuting his unique take on Mycroft Holmes in a panel taking place on Thursday at noon in convention room 5AB.
Lea Michele and the rest of the cast of "Scream Queens" will be discussing the second season of the hit show at a panel at 6:45 p.m. Friday, in Ballrom 20.
The San Diego Union-Tribune has a list of even more stars expected to hit the Con this week.