Dynamic Watchlist Hub: Apr 15, 2026

10 Best Movies Like Siphon

If you loved Siphon, we've curated the perfect watchlist for you based on shared genres, themes, and directorial style.

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Expert Review & Ratings

See our full critical analysis and audience score for Siphon.

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#1
6 Souls

6 Souls

2010★ 6.0

Why watch this? A perfect follow-up to Siphon for fans of Horror. It captures a similar spine-chilling atmosphere.

A female forensic psychiatrist discovers that all of one of her patient's multiple personalities are murder victims. She will have to find out what's happening before her time is f...

#2
The Voices

The Voices

2014★ 6.3

Why watch this? A perfect follow-up to Siphon for fans of Comedy. It captures a similar spine-chilling atmosphere.

A mentally unhinged factory worker must decide whether to listen to his talking cat and become a killer, or follow his dog's advice to keep striving for normalcy....

#3
Girl, Interrupted

Girl, Interrupted

1999★ 7.6

Why watch this? A perfect follow-up to Siphon for fans of Drama. It captures a similar emotionally gripping atmosphere.

Set in the changing world of the late 1960s, Susanna Kaysen's prescribed "short rest" from a psychiatrist she had met only once becomes a strange, unknown journey into Alice's Wond...

#4
Smile

Smile

2022★ 6.7

Why watch this? A perfect follow-up to Siphon for fans of Horror. It captures a similar spine-chilling atmosphere.

After witnessing a bizarre, traumatic incident involving a patient, Dr. Rose Cotter starts experiencing frightening occurrences that she can't explain....

#5
The Unforgivable

The Unforgivable

2021★ 7.4

Why watch this? A perfect follow-up to Siphon for fans of Drama. It captures a similar emotionally gripping atmosphere.

A woman is released from prison after serving a sentence for a violent crime and re-enters a society that refuses to forgive her past....

#6
Stonehearst Asylum

Stonehearst Asylum

2014★ 6.9

Why watch this? A perfect follow-up to Siphon for fans of Thriller. It captures a similar spine-chilling atmosphere.

An Oxford Medical School graduate takes a position at a mental institution and soon becomes obsessed with a female mental patient, but he has no idea of a recent and horrifying sta...

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