John Schneider, James Marsters, and Rekha Sharma will all appear at Wizard World Chicago Comic Con this week.

Schneider portrays Jonathan Kent on Smallville, and will reprise his role in the season ten premiere episode, “Lazarus”. He will be appearing at the event this week on Saturday and Sunday only.

Marsters portrays “Brainiac”, and is set to return this season to reprise his role in the 200th episode, “Homecoming”. There will be a private party with James on Saturday, August 21st (during the Chicago Comic-Con weekend) that will include: a concert, photo session and intimate Q & A session.

Sharma appeared in seven episodes of Smallville from seasons 1-6 as “Dr. Harden,”. She is currently starring in the television show “V”.

Chicago Comic Con runs from August 19-22, 2010 at the Rosemont Convention Center. For more information, visit the Wizard World website here.