That’s because they're adding three big names to an already extensive guest list.
Fans will recognize Simon Helberg as Howard Wolowitz from the hit comedy series "The Big Bang Theory".
Guests also include Stephen Amell as the super-hero archer from the hit CW series "Arrow “and Jon Heder as the iconic hero from the cult classic Napoleon Dynamite.
Event organizer Bryan Brandenburg says those names are just the tip of the iceberg.
“We certainly didn't announce the biggest guest yet,” said Brandenburg. '
To view the entire guest list, visit saltlakecomiccon.com