Four mental patients on a field trip in New York City must save their caring chaperone, who ends up being taken to a hospital in a coma after accidentally witnessing a murder, before the killers can find him and finish the job.

Michael Keaton
Billy Caufield

Christopher Lloyd
Henry Sikorsky

Peter Boyle
Jack McDermott

Stephen Furst
Albert Ianuzzi

Dennis Boutsikaris
Dr. Weitzman

Lorraine Bracco
Riley

Milo O’Shea
Dr. Newald

Philip Bosco
O'Malley
245 ratings. The score is reasonably stable but could shift up to 0.14 as more ratings come in.
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Release Date
April 7, 1989
Runtime
1h 53m
Rating
PG-13
Genres
Comedy, Crime, Thriller
Director