Ben McKenzie, who plays the lead character “James Gordon” in the hit Fox TV show Gotham, will make his first two Wizard World Comic Con appearances in Philadelphia (May 9-10) and Chicago (August 22-23). Also well-known for his portrayals of “Officer Ben Sherman” in NBC’s Southland and, earlier, as “Ryan Atwood” in the teen favorite The O.C. on Fox, McKenzie will greet fans will sign autographs, pose for photo ops and conduct interactive Q&A sessions at the two flagship shows on the 2015 Wizard World calendar.

McKenzie’s appearances at the two events will be the only ones in North America in which fans can get autographs and photo ops.

In Philadelphia, he will be joined by fellow Gotham star Robin Lord Taylor, along with Penn Badgley, Karl Urban, Kelly Frye and many others at the Pennsylvania Convention Center. In Rosemont, Ill., top guests currently scheduled to attend alongside McKenzie include Norman Reedus, Toby Kebbell, and The Walking Dead duo of Michael Rooker and Seth Gilliam at the Donald E. Stephens Convention Center.

Wizard World Comic Con Philadelphia show hours are Thursday, May 7, 3-8 p.m.; Friday, May 8, noon-7 p.m.; Saturday, May 9, 10 a.m.-8 p.m.; and Sunday, May 10, 11 a.m.-5 p.m.

Wizard World Comic Con Chicago will be held Thursday, August 20, 3-8 p.m.; Friday, August 21, noon-7 p.m.; Saturday, August 22, 10 a.m.-8 p.m.; and Sunday, August 23, 11 a.m.-5 p.m.