Who will you see at Comic-Con 2012?

Robert Pattinson, Kristen Stewart and Taylor Lautner attend the UK premiere of The Twilight Saga: Breaking Dawn Part 1 at Westfield Stratford City on November 16, 2011 in London, England. Some of the movie's stars will be at a Thursday panel.

Producer Tim Burton attends the "Abraham Lincoln: Vampire Slayer 3D" New York Premiere at AMC Loews Lincoln Square 13 theater on June 18, 2012, in New York. He'll be there to promote the animated comedy "Frankenweenie."

Producer Sam Raimi arrives at the Starz original TV series "Spartacus: Blood and Sand" on January 14, 2010, in Los Angeles, Calif. He'll be leading a panel on "Oz the Great and Powerful."

Brian Ach/Getty Images for People for the American Way Foundation

Actress Jane Lynch attends the People For The American Way Foundation's celebratoin of Norman Lear's 90th Birthday and the Young Elected Officials Network at John F. Kennedy Center for the Performing Arts on June 21, 2012, in Washington, DC. Lynch and other "Glee" stars will be making their fourth appearance at Comic-Con

Actor Colin Farrell poses during a photo call for his film "Total Recall" in Paris, July 9, 2012. And that's what he will be promoting when he comes to Comic-Con.

Actress Jessica Biel is another "Total Recall" star who may make an appearance. Here, she arrives at the 2012 MTV Movie Awards held at Gibson Amphitheatre on June 3, 2012, in Universal City, Calif.

Kate Beckinsale poses in the audience at the Independent Spirit Awards — AP Photo/Vince Bucci

Kate Beckinsale, who poses in the audience at the Independent Spirit Awards on Feb. 25, 2012, in Santa Monica, Calif., may also be promoting "Total Recall."

Actor Bryan Cranston attends the Broadway opening of "Come Fly Away" at the Marriott Marquis on March 25, 2010, in New York. The "Breaking Bad" star is expected on Friday.

Actress Emily Blunt attends the "Your Sister's Sister" premiere during the 2012 Tribeca Film Festival at the Borough of Manhattan Community College on April 19, 2012, in New York City. She'll be promotimg "Looper" in which she stars with Joseph Gordon-Levitt.

Actor and "Looper" star Joseph Gordon-Levitt attends the "Long Live Imagination" campaign screening of "When You Find Me" at the American Museum of Natural History on November 15, 2011, in New York City.

Actor Matt Damon and his wife, Luciana, attend the premiere of "The Adjustment Bureau" at the Ziegfeld Theatre on Feb. 14, 2011, in New York. He'll be Promotin g "Elysium" with Jodie Foster and director Neill Blomkamp on Friday.

Actress and "Elysium" star Jodie Foster arrives at the 14th Annual Hollywood Awards Gala in Beverly Hills, Calif., on Oct. 25, 2010.

Taking a break from directing hobbits, producer Peter Jackson poses for a portrait during the 2012 Sundance Film Festival at the Getty Images Portrait Studio at T-Mobile Village at the Lift on January 20, 2012, in Park City, Utah. "The Hobbit" will be part a Saturday panel at Comic-Con.

"The Hobbit" star Ian McKellen poses for photographers as he arrives to attend the World Premiere of the film 'Harry Potter And The Deathly Hallows: Part One' in Leicester Square, central London on November 11, 2010.

Actor Andy Serkis, also expected to promote "The Hobbit," arrives at the 17th Annual Critics Choice Movie Awards held at The Hollywood Palladium on January 12, 2012, in Los Angeles, Calif.

Director and President of the Venezia 67 jury Quentin Tarantino arrives for the screening of "Black Swan" opening the 67th Venice Film Festival on Sept. 1, 2010, in Venice, Italy. He'll be at Comic-Con with a peek at "Django Unchained."

Actors Leonardo DiCaprio, left, Kerry Washington, second left, Jamie Foxx, second right, director Quentin Tarantino, center, and Austrian actor Christoph Waltz, right, pose for photos promoting their upcoming film, "Django Unchained" in Cancun, Mexico, on April 15, 2012.

Sylvester Stallone at the premiere of the HBO documentary "His Way" on March 22, 2011, in Hollywood, Calif. Expect him to speak about "The Expendables 2 - Real American Heroes."

Austrian-American actor and former Governor of California, Arnold Schwarzenegger, poses for photographers during the International Television Programme Market in Cannes, southern France, on April 4, 2011.Expect him to speak about "The Expendables 2 - Real American Heroes."

Actor and former mixed martial artist Randy Couture arrives at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012, in Las Vegas. Expect him to speak about "The Expendables 2 - Real American Heroes."

Actor Jean-Claude Van Damme arrives at the 2012 MTV Movie Awards held at Gibson Amphitheatre on June 3, 2012, in Universal City, Calif.Expect him to speak about "The Expendables 2 - Real American Heroes."

Director and actor Sylvester Stallone, left, and actor Dolph Lundgren pose on the red carpet during the premiere of "The Expendables" at Shibuya-AX on Sept. 26, 2010, in Tokyo. Expect them to speak about "The Expendables 2 - Real American Heroes."

Actor Robert Downey Jr. and Susan Downey arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, Calif. He'll be there with a look at "Iron Man 3."

Actor Michael C. Hall attends the opening night of "A Streetcar Named Desire" at The Broadhurst Theatre on April 22, 2012, in New York City. He'll be there to promote "Dexter."

Jennifer Carpenter attends the 2012 Lunchbox Fund Bookfair auction on March 21, 2012, in New York City. She'll be there to promote "Dexter."

Joshua Jackson and girlfriend, actress Diane Kruger attend the "Farewell, My Queen" New York Screening at MOMA on July 9, 2012, in New York.He'll be there to promote "Fringe."

"Glee" star Lea Michele attends the Fox 2012 Programming Presentation Post-Show Party at Central Park on May 14, 2012, in New York City.

"Glee" actor Cory Monteith attends the 2011 Fox Upfront in Central Park on May 16, 2011, in New York City.

"True Blood's" Alexander Skarsg

Also expect to see co-stars and married couple Anna Paquin and Stephen Moyer. Here, they attend HBO "True Blood" season 5 premiere after party held at Lure on May 30, 2012, in Hollywood, California.

Actors Bryan Cranston, left, and Aaron Paul attend the AMC's Premiere of "Breaking Bad" Season Four on June 28, 2011, in Los Angeles. Both will be at Comic-Con.

Michael Buckner/Getty Images for Naeem Khan

Actress Kaley Cuoco attends the Naeem Khan Private Dinner at the Chateau Marmont on May 2, 2012, in Los Angeles, Calif. She'll promote "The Big Bang Theory."

Actors Kunal Nayyar, left, Johnny Galecki, Kaley Cuoco and Simon Helberg attend the 2011 CBS Upfront at The Tent at Lincoln Center on May 18, 2011, in New York City. They'll promote "The Big Bang Theory."

Ginnifer Goodwin attends the "Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012, in New York. She'll be there for "Once Upon a Time."

Frederick M. Brown/Getty Images for Critics Choice

The cast, actor Danny Pudi, left, actor Joel McHale, producer Russ Krasoff, actress Gillian Jacobs, and actress Alison Brie of the television show 'Community' celebrate during the Broadcast Television Journalists Association Second Annual Critics' Choice Awards at The Beverly Hilton Hotel on June 18, 2012, in Beverly Hills, Calif. Expect to see many of them at Comic-Con.

Actress Lucy Liu attends the 2011 CFDA Fashion Awards at Lincoln Center on June 6, 2011, in New York. She's promoting the new CBS thriller "Elementary."