
O2(2022)
Tamil120 minsdirect-to-OTT
O2 (2022) is a 120-minute Tamil film directed by G. S. Viknesh. Starring Rithvik, Barath Neelakantan and Nayanthara. With a rating of 6.4/10 reflecting mixed audience reception and a average box office verdict at the box office.
Director:G. S. Viknesh
Mood:
suspensefulemotionalintense
Where to watch:
Quick Facts
- Streaming on
- JioHotstar
- OTT Release Date
- 1 January 2023
- Theatrical Release
- 17 June 2022
- Director
- G. S. Viknesh
- Language
- Tamil
- Runtime
- 2h
- Rating
- 6.4/10
Storyline
A mother and her son get trapped in a tunnel with other people. Their oxygen is running out, and she must fight to keep her son and his vital oxygen supply safe.
“Trapped underground, a mother's last breath fights for her son.”
Film Details
6.4Rating
120Minutes
TamilLanguage
UACertificate
Release Date17 June 2022
Release Typedirect-to-OTT
Also Known AsOxygen · O2: Oxygen
Parental Guide
Violence
High
Language
Moderate
Sex / Nudity
Moderate
Drugs
Mild
Intensity
High
Where to Watch
Vibe & Tags
Mood
suspensefulemotionalintense
Themes
survivalfamilycorruptionjustice
Tonegritty
Pacingfast-paced
Complexitymoderate
Audiencemultiplex
Best Withwith-partner
Violence2
Emotion4
Humor1
Rewatchability3
Cast & Crew
#1





NayantaraActor
→#2
RithvikVeera
→#3B
Barath NeelakantanKarunai Rajan
→#4
NayantharaParvathy
→#5
#6L
LenaaActor
→
Aadukalam MurugadossActor
→#7
R. N. R. ManoharActor
→#8J
Jaffer IdukkiActor
→#9R
RishikanthActor
→#10
#11A
A. AzhaganCrew
→G
G. S. VikneshDirector
→#12
G
GS VikneshDirector
→#13
S
S. R. PrabuCrew
→Reunion Meter
Frequent partnerships reunited for O2
Cast reunions in this film: Nayantara & Aadukalam Murugadoss (2 films together).
Trivia
- The film was shot in a real tunnel in Kerala, which added to the authentic claustrophobic feel.
- Director GS Viknesh previously worked as an assistant director on the Tamil film 'Kavan'.
- The movie's title 'O2' refers to the chemical symbol for oxygen, central to the plot's survival theme.
- It was released directly on Disney+ Hotstar, skipping a theatrical release in many regions.
- The film uses minimal background music to heighten the tension and realism of the trapped setting.
- Actress Nayanthara was initially considered for the lead role before it went to Anikha Surendran.
- The story is inspired by real-life incidents of people getting trapped in confined spaces, though it is fictionalized.