Cast of United States of Al

Parker Young portrays the character of Riley in United States of Al. Riley is a Marine veteran who returns home to Ohio after serving in Afghanistan. He forms an unlikely friendship with Al, an Afghan interpreter who comes to live with him in the United States.

Adhir Kalyan plays the role of Al in United States of Al. Al is an Afghan interpreter who worked with the U.S. military in Afghanistan. He arrives in the United States seeking a fresh start and ends up living with Riley, forming a bond of friendship and navigating the challenges of life in a new country.

Dean Norris portrays the character of Art in United States of Al. Art is Riley's father, a retired Marine who tries to adjust to life after his military service. He struggles with health issues and provides guidance and support to Riley and Al as they navigate their unique friendship.

Elizabeth Alderfer plays the role of Lizzie in United States of Al. Lizzie is Riley's sister, who works as a caseworker helping veterans. She is a strong, independent woman who offers support and guidance to Riley and Al as they face various challenges in their lives.

Kelli Goss portrays the character of Vanessa in United States of Al. Vanessa is Riley's ex-wife, with whom he shares joint custody of their daughter. She is a caring and protective mother who wants what's best for her daughter, but also finds herself adjusting to the presence of Al in their lives.

Farrah Mackenzie plays the role of Hazel in United States of Al. Hazel is Riley and Vanessa's daughter, who is caught in the middle of her parents' separation. She forms a unique bond with Al and navigates the challenges of having a new person in her life while dealing with the changes in her family dynamic.