Suzanne Gomez (@Chico6) confirmed on twitter that Gale will not be at Comic Con:
"@Str8toN1 At Comic Con? Sorry, he will not be there."
SourceSo at least now we know for sure! But we still hope to hear more about Gale's role in The Secret Circle, after the Pilot screening (happening right now at Comic Con in San Diego) and the two Panels that will feature other members of the TSC cast on Saturday, July 23rd 2011 (many thanks to thesecret-circle.com for the information!):
2:30-3:30 TV Guide Magazine Presents: Super Supernaturals— Moderated by TV Guide senior editor William Keck, this panel features the most super supernaturals, super witches, and super werewolves from new series and returning favorites. Panelists include Joe Anderson (The River), John Barrowman (Torchwood), Thomas Dekker (The Secret Circle), David Greenwalt (Grimm), Theo James (Bedlam), Jim Kouf (Grimm), Tyler Posey (Teen Wolf), Britt Robertson (The Secret Circle), Mark A. Sheppard (Supernatural), and Phoebe Tonkin (The Secret Circle). Room 5AB
5:15-6:00 The Secret Circle Screening and Q&A— The coven is coming to Comic-Con! The Secret Circle series stars Britt Robertson (Scream 4), Thomas Dekker (Terminator: The Sarah Connor Chronicles), Phoebe Tonkin (H20: Just Add Water), and Natasha Henstridge (Species) join executive producers/writers Kevin Williamson (The Vampire Diaries), Andrew Miller (Nothing) and Richard Hatem (Supernatural) for a screening of the pilot and Q&A session. [...] Room 6BCF