Tig Notaro filmed all her scenes in a studio and was digitally inserted into the movie.
Henry Cavill has vowed to make the film an adventure viewers "shall never forget".
The original 1986 Highlander movie starred Christopher Lambert as the time-travelling hero.
The project is a spin-off from the hit BBC crime drama series.
The Stranger Things star plays Frankie in the new comedy-drama, which also stars Andrew Garfield.
The actress is gearing up to play the villain in the upcoming sequel, Disenchanted.
Anthony McCarten intends to bring the story back to his "horror suspense roots".
Tom Cruise nailed the single-take shot on the final attempt.
Salma Hayek had a phone call with Lady Gaga before filming began and she was "already Patrizia".
The sequel has been in the works since 2019.
Rian Johnson has signed up another major star for his Knives Out sequel.
Freeman suggested most method acting is "absolutely pretentious nonsense" and "highly amateurish".