Cast of The Killing of a Sacred Deer

Colin Farrell plays Steven Murphy, a cardiovascular surgeon who befriends a teenage boy named Martin.

Nicole Kidman portrays Anna Murphy, Steven's wife who becomes entangled in the sinister events caused by Martin.

Barry Keoghan portrays Martin Lang, a mysterious and unsettling teenager whose relationship with the Murphy family takes a dark turn.

Raffey Cassidy plays Kim Murphy, the daughter of Steven and Anna who also becomes a target of the events orchestrated by Martin.

Sunny Suljic portrays Bob Murphy, the son of Steven and Anna who is also affected by the curse brought upon the family.

Bill Camp plays Matthew Williams, a colleague of Steven who gets involved in the mysterious circumstances surrounding Martin.

Alicia Silverstone portrays Martin's Mother, a character who brings a different perspective to the unfolding events.

Herb Caillouet plays Ed Thompson, the Hospital Director who gets caught up in the unsettling occurrences involving Martin and the Murphy family.

Barry G. Bernson portrays Dr. Larry Banks, a character entangled in the mysterious circumstances surrounding the curse.

Denise Dal Vera plays Mary Williams, a character connected to the events affecting the Murphy family.

Drew Logan portrays the Principal, a character whose role intersects with the unfolding drama.

Ming Wang plays the Doctor (Abdominal), a medical professional who becomes involved in the unusual medical situations tied to the mysterious curse.