Currently available on 2 streaming services.

Ratboy - watch online: streaming, buy or rent

You can buy "Ratboy" on Apple TV, Amazon Video as download or rent it on Apple TV, Amazon Video online.

Cast

Sondra Locke
Nikki Morrison
Robert Townsend
Manny
Larry Hankin
Robert Jewell
Sydney Lassick
Lee 'Dial-A-Prayer'
Gerrit Graham
Billy Morrison
Sharon Baird
Ratboy (as S. L. Baird)
Louie Anderson
Omer Morrison
John Witherspoon
Heavy
Gary Riley
Bill
Brett Halsey
Mr. Manes
Jon Lovitz
Party Guest
Bill Maher
Party Guest
Karen Lorre
Party Guest (as Karen Witter)
Kathleen Wilhoite
Party Guest
Courtney Gains
Kid in Car
Billie Bird
Psychic
Lloyd Nelson
Reporter at Dump
Jeffrey Josephson
Catullus Cop
Lee de Broux
Catullus Cop #2
Jeffrey Josephson
Catullus Cop #3
Peter Looney
Catullus Cop #4
Tiger Haynes
Derelict Ralph
Tim Thomerson
Alan Reynolds
Ed Williams
Lake Reporter