Casey's little sister (and friend now that they are older and don't fight anymore), who according to her has been waiting 23 years to be Casey's Maid of Honor.

Casey's best friend from High School. Ryann and Casey became besties the first day of high school and have been through it all, including a trip around Europe.

AKA Crocs (a nickname Taylor got back in high school during volleyball season). Her and Casey became best friends that moment and have been ever since.

Casey's Best Friend from college. They met rowing freshman year, where Casey accidentally saved Payton's life and were inseparable from that point on.

Walt was Zack's roommate.

Luke is Zack's brother.

Dan was Zack's roommate.

David is Zack's friend.

Jonathan was Zack's neighbor.

Mike was Zack's neighbor.