Friday The 13th Pt 4: The Final Chapter/Fun Facts

Ted White, who plays Jason, refused to talk to the other actors on the set, because he thought it would diminish their fear of Jason.

It has been said that the only reason Tom Savini worked as makeup artist on this film was so he could kill the character he created (Jason Voorhees).

In one scene Rob Dier talks to Trish about his sister Sandra. Sandra Dier was one of Jason's victims in Friday the 13th Part 2 (1981).

Takes place on Sunday the 15th, the second "Friday" film to not actually take place on a Friday at all. While the beginning with the coroners takes place during the night of Sunday the 15th, the rest of the movie takes place Monday the 16th and Tuesday the 17th being the climactic night.

Peter Barton, who played Doug in the film, was hesitant when it came time to do his death scene because he was previously burned on a magnesium flare doing a stunt on another movie and required multiple surgeries afterwords. Sensing Peter's hesitation, Jason actor Ted White requested that a pad be placed behind Peter's head when he was slammed into the shower wall.

During filming, actress Kimberly Beck experienced strange occurrences of a man watching her while she ran in the park, accompanied by strange phone calls at all hours. This stopped when production was over.

The film made $32,600,000 with a budget of $1,800,000 The house used for the Jarvis' home is later seen as the Anderson home in the film In the Light of the Moon (2000) where serial killer Ed Gein is apprehended.

Ted White has said he played Jason only for the money. In addition, he revealed that he had insisted his name be excluded from the film's credits because he felt uneasy about having played the role.

When they shot the scene where Samantha (Judie Aronson) is in a raft on the lake, it was in the dead of winter. It got so cold that Judie started crying, Jason actor Ted White got fed up and told director Joseph Zito that he would quit if they didn't let her come out and warm up. They did.

Uncredited Jason actor Ted White has said to genre interviewers and authors throughout the years that he took his name off because "If I don't want my name associated on a total piece of shit, then I don't have to have it on there". Though he later pretty much regretted making that statement, saying "It was better made then most of its type, and the viewers got more bang for their buck", this makes him the 2nd big principal Friday the 13th series cast member, after original star Betsy Palmer, (Mrs. Voorhees from the original) to call their respective film a "piece of shit".