Liv is a famous actress and singer who returns home to Wisconsin after her hit Hollywood show, Sing It Loud!, ends, and she must adjust to normal family life while continuing her acting career. She is the more glamorous, girly-girl twin.

She's the tomboy compared to her sister, but there are times where she reveals her girly side. Maddie and Liv are very close and tell each other everything. They are not complete without each other and rely on each other for everything.

Joey is known for being a bit of a clown, often working with Parker on schemes, and is characterized by his geek-chic style and black-rimmed glasses. Is adventurous and funny.

Mischievous, intelligent, and adventurous youngest son in the Rooney family who is a genius inventor and karate enthusiast. He is characterized by his clever schemes, love for science. Often acts older than his age.

Supportive but sometimes overprotective mother and former vice principal of her children's high school, who later starts a modeling career and becomes a set teacher.

High school gym teacher, and the girls' basketball coach. He is known for his love of sports, his humorous and sometimes overprotective nature, and his close relationship with his family, especially his basketball-loving daughter Maddie.

She is Maddie Rooney's best friend, a competitive basketball player, and has a long-standing crush on Joey Rooney. Tough and loyal.

Liv's best friend and bandmate in "The Dream," alongside Willow and Holden. She's a tomboy who plays bass, has a close but complicated history with Holden