Movie

Infinitum: Subject Unknown

“Destined to repeat forever... The test is to find a way out.”

★ 5.4(56)20211h 26m

Infinitum: Subject Unknown is streaming on Amazon Prime Video in Denmark, and available to rent or buy on SF Anytime. Availability checked 17 June 2026.

Where to watch Infinitum: Subject Unknown

🇩🇰 Denmark

Amazon Prime VideoStream

SF AnytimeRent

SF AnytimeBuy

Good to know

Director: Matthew Butler-Hart
Release date: 2021-03-03
Runtime: 1h 26m
Language: English
Status: Released
Country: United Kingdom
Studio: Fizz and Ginger Films

About Infinitum: Subject Unknown

Infinitum: Subject Unknown is a 2021 movie in the Science Fiction, Thriller and Mystery genres, directed by Matthew Butler-Hart, starring Tori Butler-Hart, Ian McKellen and Conleth Hill. It has a runtime of 1 hour 26 minutes. It holds an average rating of 5.4/10 from 56 viewers. Below you can see where to watch Infinitum: Subject Unknown in Denmark — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

Jane is the subject of a twisted science experiment where she is placed in a parallel world and is forced to find a way to either alter her reality or be stuck in a time-loop, destined to repeat the same test over and over again, with no memory of her doing it before. But with each 'reset' she starts to retain fragments of memory. With clues pointing to the mysterious Wytness Quantum Research Centre, she tries to find a way out. (The film was shot entirely on an iPhone during the UK’s first lockdown.)

Cast

Tori Butler-Hart

Jane / Number 7

Ian McKellen

Dr. Charles Marland-White

Conleth Hill

Professor Aaron Östergaard

Wendy Muir Hart

Wytness Scientist 1

Christopher Hart

Wytness Scientist 2

Matthew Butler-Hart

Case Watch Agent

Holly Dale Spencer

Observation Scientist 1 (voice)

Ben Lee

Observation Scientist 2 (voice)

Graham Butler

Case Watch Agent 1 (voice)

Tori Butler-Hart

Case Watch Agent 2 (voice)

Victoria Kane

Voices (voice)

Daisy Kane

Voices (voice)

Themes & keywords

london, englandexperimentescapealonequantum mechanicsconfusionfuturisticmemory losstime loopfeartied upatticresearch facilityhopelessnessgroundhog day