Yes, there is a Will Call desk next to the ticket booths at the Show Entrance.
FAQS
Where do I park?
Is there handicapped parking?
Are strollers or wheelchairs available?
How much does admission cost?
Is there food available at the Convention Center?
Can I buy tickets with a credit card?
Is my ticket good for more than one day? Are there multiple day tickets?
Can I bring a camera?
Is there a lost and found?