<Li> Beau Garrett as Jessica Preston: The hospital in - house attorney and Vice President of Risk Management . She is the granddaughter of the hospital founder and a friend of Dr. Glassman . </Li> <Li> Hill Harper as Dr. Marcus Andrews, Chief of Surgery, attending plastic surgeon, and board member . </Li> <Li> Richard Schiff as Dr. Aaron Glassman, President of the San Jose St. Bonaventure Hospital and attending neurosurgeon, who has been a mentor and good friend of Shaun since he was 14 . </Li> <Li> Tamlyn Tomita as Allegra Aoki, Chairman of the San Jose St. Bonaventure Hospital Board and Vice President of the foundation that controls the hospital's funding . </Li>

Who plays dr glassman on the good doctor