Jarin Blaschke (DP for the Lighthouse) explaining how they achieved that one shot at the end of the movie

This effect was also used for a makeup effect in the 1937 movie "Sh! The Octopus"

You can find the full interview with Jarin Blaschke here, where he also explains some behind the scene stuff like a custom cyan filter, set locations, shooting problems and more: https://youtube.com/watch?v=PJ3qaDUvvyo

Sh!">https://youtube.com/watch... the Octopus clip found here: https://www.youtube.com/watch?v=Y15uRLNC7kQ">https://www.youtube.com/watch...

Here& #39;s an interesting thread on the same effect: https://twitter.com/silentmoviegifs/status/1176936091523399680">https://twitter.com/silentmov...