Conversation so far:
who plays shaun murphy's brother on the good doctor
Dylan Kingwell is Steve Murphy. He is Shaun's younger brother, in flashbacks and later dreams and visions.
is the brother steve murphy a main character
Dylan Kingwell plays Steve Murphy as a recurring character in season 1 and 3 of The Good Doctor.

Question: who does the series star
Self-contained rewrite: who does the good doctor series star