Infinitum: Subject Unknown poster
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Infinitum: Subject Unknown

5.320211h 26m15MovieScience FictionThrillerMystery

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…

DirectorMatthew Butler-Hart
WritersMatthew Butler-Hart·Tori Butler-Hart
ProducersMatthew Butler-Hart·Tori Butler-Hart

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsAmazon Prime Video Free with AdsAmazon Prime Video Free with AdsAmazon MX PlayerAmazon MX Player
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Matthew Butler-Hart

TBTori Butler-Hart
Tori Butler-Hart
Jane / Number 7
IMIan McKellen
Ian McKellen
Dr. Charles Marland-White
CHConleth Hill
Conleth Hill
Professor Aaron Östergaard
WH
Wendy Muir Hart
Wytness Scientist 1
CH
Christopher Hart
Wytness Scientist 2
MB
Matthew Butler-Hart
Case Watch Agent
HS
Holly Dale Spencer
Observation Scientist 1 (voice)
BL
Ben Lee
Observation Scientist 2 (voice)
GBGraham Butler
Graham Butler
Case Watch Agent 1 (voice)
TBTori Butler-Hart
Tori Butler-Hart
Case Watch Agent 2 (voice)
VK
Victoria Kane
Voices (voice)
DK
Daisy Kane
Voices (voice)

More from Tori Butler-Hart · Lead actress

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Cherry B
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The Unfamiliar
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More from Ian McKellen · Co-star actor

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The Simpsons
1989 · 8.0
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1960 · 5.3
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Avengers: Doomsday
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American Playhouse
American Playhouse
1982 · 6.6
The Lord of the Rings: The Fellowship of the Ring
The Lord of the Rings: The Fellowship of the Ring
2001 · 8.4
The Lord of the Rings: The Return of the King
The Lord of the Rings: The Return of the King
2003 · 8.5
The Wednesday Play
The Wednesday Play
1964 · 5.2
BBC Play of the Month
BBC Play of the Month
1965 · 5.2
ITV Playhouse
ITV Playhouse
1967 · 7.0
See all fromIan McKellen

More from Matthew Butler-Hart · Director

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Miss in Her Teens
2014 · 3.0
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Dagr
2024 · 4.0
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The Isle
2019 · 4.8
Two Down
Two Down
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See all fromMatthew Butler-Hart

More like this

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Twelve Monkeys
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Hollow Man
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Multiverse
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2021 · 6.6
Cube
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1932 · 6.0
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Infinitum: Subject Unknown — streaming FAQ

Which OTT platform streams Infinitum: Subject Unknown?

Infinitum: Subject Unknown is streaming on Amazon Prime Video, Amazon Prime Video Free and Amazon MX Player in United Kingdom, and available to rent or buy on Apple TV Store and Rakuten TV. It's not currently on Netflix.

Is Infinitum: Subject Unknown on Netflix?

No, Infinitum: Subject Unknown is not on Netflix in United Kingdom as of November 2026. It's currently on Amazon Prime Video and Amazon Prime Video Free.

Is Infinitum: Subject Unknown on Amazon Prime Video?

Yes — Infinitum: Subject Unknown is included with an Amazon Prime Video subscription in United Kingdom as of November 2026.

Where can I watch Infinitum: Subject Unknown for free?

Infinitum: Subject Unknown is available to stream free (with ads) on Amazon Prime Video Free and Amazon MX Player in United Kingdom.