<Li> Tamlyn Tomita as Allegra Aoki: Chair and Vice President of the foundation that controls the hospital . </Li> <Ul> <Li> Dylan Kingwell as Steve Murphy: Shaun's younger brother (in flashbacks). He also plays a boy in the present named Evan that looks like the brother . </Li> <Li> Jasika Nicole as Carly </Li> <Li> Eve Gordon as Nurse Fryday </Li> <Li> Michael Muhney </Li> <Li> Marsha Thomason as Isabel Andrews: Marcus' wife . </Li> </Ul> <Li> Dylan Kingwell as Steve Murphy: Shaun's younger brother (in flashbacks). He also plays a boy in the present named Evan that looks like the brother . </Li> <Li> Jasika Nicole as Carly </Li>

Who plays the little brother in the good doctor