"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
as Billy Caufield
Christopher Lloyd
as Henry Sikorsky
Peter Boyle
as Jack McDermott
Stephen Furst
as Albert Ianuzzi
Dennis Boutsikaris
as Dr. Weitzman
Lorraine Bracco
as Riley
Milo O’Shea
as Dr. Newald
Philip Bosco
as O'Malley
James Remar
as Gianelli
Jack Gilpin
as Dr. Talmer
MacIntyre Dixon
as Dr. Verboven
Michael Lembeck
as Ed
Bill Goffi
as Singer / Accordionist
Jack Duffy
as Bernie
Brad Sullivan
as Sgt. Vincente
Larry Pine
as Canning
Ron James
as Dwight
Jihmi Kennedy
as Tow Man
Freda Foh Shen
as TV Newscaster
Howard Zieff
Director
David Loucka
Writer
Jon Connolly
David McHugh
Original Music Composer
Adam Holender
Director of Photography
Carroll Timothy O'Meara
Editor
Joseph M. Caracciolo
Executive Producer
Co-Producer
Terry Spazek
Supervising Producer
Michael Sheehy
Associate Producer
Christopher W. Knight
Producer
Ilene Starger
Casting
Roy Farfel
Stunts