Nurse Ratched, also known as the Severe Nurse, is a character on ABC's Once Upon a Time. In the Storybrooke Hospital, she is in charge of the psychiatric ward and keeping an eye on its prisoners. She débuts in the twelfth episode of the first season and is portrayed by co-star Ingrid Torrance.
Nurse Ratched is based on the character of the same name from the novel, One Flew Over the Cuckoo's Nest.