The trio of Jeff Goldblum, whose starring roles have come in blockbuster films like Jurassic Park, Independence Day, and The Fly; Zachary Levi, star of Shazam and Chuck; and Steve Guttenberg of the Police Academy series and Cocoon are among superstar additions to the celebrity roster at next week’s Wizard World Chicago.

For Goldblum and Guttenberg, the appearances will mark their first at Wizard World, set for August 22-25, 2019 at the Donald E. Stephens Convention Center. Also, due to unforeseen personal circumstances, Jason Momoa will no longer attend the event.

In addition to those headliners, several other stars have been added to the field, including the Charmed duo of Holly Marie Combs and Brian Krause, Richard Greico (21 Jump Street), the Buffy the Vampire Slayer/Angel twosome of Amy Acker and Emma Caulfield, Ken Page (The Nightmare Before Christmas), and Mark Sheppard (Supernatural).

Goldblum will appear on Saturday, August 24, only; Guttenberg will attend on Friday, August 23; Levi and Acker are scheduled for Thursday and Friday; Combs, Page and Sheppard will appear on Saturday and Sunday; Krause, Caulfield and Greico will attend on Friday, Saturday and Sunday.

Goldblum’s career, which began with small roles in popular and acclaimed films Death Wish, Nashville and Annie Hall in the 1970s, got a big boost with roles in The Big Chill, Silverado and The Fly. He reached superstardom with leads in Independence Day and Jurassic Park and sequel The Lost World: Jurassic Park. He appeared in additional sequels to both films and also joined the cast of the long-running TV drama Law & Order: Criminal Intent in 2009 and had a recurring role in the offbeat comedy Portlandia. The Pittsburgh native later co-starred with Harrison Ford and Diane Keaton in Morning Glory.

Levi, the newest superhero in the DC Universe with this years Shazam, first gained wide popularity in the title role of the NBC series Chuck. He has also earned acclaim for his role in Amazon Studios’ The Marvelous Mrs. Maisel along with credits in Thor: The Dark World, Alvin & The Chipmunks: The Squeaquel and Tangled.

Guttenberg started in the successful Police Academy film series, in addition to leads in Cocoon, Short Circuit, 3 Men and a Baby, and many other popular film titles. Hes had recurring roles on Ballers, The Goldbergs, and Veronica Mars.

The new additions join Gotham stars Ben McKenzie, Morena Baccarin, and Drew Powell, Cary Elwes (The Princess Bride), Henry Winkler (Happy Days), Chris Sarandon (The Nightmare Before Christmas), Daniel Cudmore (X-Men), George Wendt (Cheers), Melissa Joan Hart (Sabrina, the Teenage Witch), Katrina Law (Arrow), David Giuntoli (Grimm) and many others.

Wizard World Chicago will also feature comic writers and creators, as well as live entertainment hosted by Kato Kaelin, gaming, exclusive Q&A sessions with top celebrities, world-class panel programming and more.

Wizard World Chicago is running Thursday 4 PM to 9 PM, Friday 12 PM to 7 PM, Saturday 10 AM to 7 PM, and Sunday 10 AM to 4 PM. Kids 10 and under are admitted free with paid adult.

For more on the 2019 Wizard World Chicago, visit wizardworld.com/chicago.