Series

Key Witness

202145m1 season

Key Witness isn't available to stream, rent or buy in Mexico right now. Availability changes often, so check back soon. Availability checked 13 June 2026.

Where to watch Key Witness

🇲🇽 Mexico

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Streaming in other regions

🇦🇩 AD🇦🇬 AG🇦🇱 AL🇦🇴 AO🇦🇷 AR🇦🇹 AT🇦🇺 AU🇦🇿 AZ🇧🇦 BA🇧🇧 BB🇧🇪 BE🇧🇫 BF🇧🇬 BG🇧🇲 BM🇧🇴 BO🇧🇷 BR

Good to know

Release date: 2021-08-19
Runtime: 45m
Language: Mandarin
Seasons: 1
Episodes: 21
Network: MediaCorp Channel 8
Status: Ended
Country: Singapore
Studio: MediaCorp

About Key Witness

Key Witness is a 2021 web series in the Drama and Crime genres, starring 陈楚寰, Desmond Tan and Sheryl Ang. It spans 1 season and 21 episodes, and originally aired on MediaCorp Channel 8. Below you can see where to watch Key Witness in Mexico — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

A bond is formed between a doctor who cannot save lives, a policewoman who cannot catch criminals and an assassin who cannot kill, but can they solve crimes? Failing to protect a key witness to an international drug smuggling case, Interpol Officer Xu Guo Ying (Denise Camillia Tan) resigned as a result. She meets funeral planner Wang Yu Xuan (Sheryl Ang) and arcade staff Chen Zhi Ming (Desmond Tan), together the trio form a team that specializes in the search for key witnesses in unsolved cases. They soon forged a strong friendship but each is not what they appear to be. As their past catches up with them, it threatens to destroy them. A doctor who cannot save lives, a policewoman who cannot catch criminals, and an assassin who cannot kill, how will their lives unfold? Can they leave their past behind and persevere in seeking the truth?

Seasons (1)

Season 121 eps · 2021

Cast

陈楚寰

Xu Guo Ying

Desmond Tan

Chen Zhi-Ming

Sheryl Ang

Frequently asked questions

Where can I watch Key Witness in Mexico?+

Key Witness is not currently listed on any streaming, rental or purchase service in Mexico. Availability changes often, so check back or switch your region.

Is Key Witness on Netflix?+

Key Witness is not on Netflix in Mexico right now.

How many seasons of Key Witness are there?+

Key Witness has 1 season and 21 episodes in total.

Who stars in Key Witness?+

Key Witness stars 陈楚寰, Desmond Tan and Sheryl Ang.

When did Key Witness come out?+

Key Witness is a 2021 web series.

What genre is Key Witness?+

Key Witness is Drama and Crime series.