Tom Bowman played by Luke Zimmerman
Tom is Grace's older brother and has Down Syndrome. He considers himself the man of the house ever since his dad died so he's very protective over his mom and sister. He's good at figuring out people, can hold a grudge sometimes and can be hotheaded. He's not to sure how to deal with his new step dad, Jeff. Tammy and him are broken up so we're not sure what's going on with them anymore and his mom is having a hard time when to give advice.