Son of Bart and Shannon. His relationship with his father is described as fragile in the sequel, representing the emotional cost of Bart's success that the protagonist must actively address and heal.
Bart is Sam's father, struggling to balance his son's medical needs with his music career.
Sam and Gracie are siblings within the Millard family.
Tim acts as a supportive mentor to Sam, encouraging his musical ambitions.
Explore the full interactive character relationship map of I Can Only Imagine 2