O'Grady, Lily Donoghue, and Caleb Eberhardt signed on in starring roles. Cary Elwes also joined the cast. Principal cast and characters Additional crew and production details Reception Box office and financial performance Critical and public response Literature A novelization of the 1974 film written by Lee Hays was published in 1976 by Popular Library. See also List of films featuring home invasions Holiday horror List of films set around Christmas References American film series Film series introduced in 1974 Slasher film series