Dr. Steven Murphy is a renowned cardiovascular surgeon who presides over a spotless household with his wife and two children. Lurking at the margins of his idyllic suburban existence is Martin, a fatherless teen who insinuates himself into the doctor's life in gradually unsettling ways.
Colin Farrell
as Steven Murphy
Nicole Kidman
as Anna Murphy
Barry Keoghan
as Martin Lang
Raffey Cassidy
as Kim Murphy
Sunny Suljic
as Bob Murphy
Bill Camp
as Matthew Williams
Alicia Silverstone
as Martin's Mother
Herb Caillouet
as Ed Thompson (Hospital Director)
Barry G. Bernson
as Dr. Larry Banks
Denise Dal Vera
as Mary Williams
Drew Logan
as Principal
Ming Wang
as Doctor (Abdominal)
