Studio looking for cast members with "limb differences"

From the Signal (Santa Clarita, CA):

Universal Pictures has an open cattle call for people - NO ACTING EXPERIENCE NECESSARY - who'd like to be in a film with Julia Roberts and Tom Hanks. Yes. THAT Julia and Tom. We ain't foolin'. Call 310-364-3661. The location is at 11009 East Washington Ave., El Cajon, CA 92019. The production office is specifically looking for "Men, Women, and children who have limb differences or Unique Phiscial Characteristics."