
Zeno Koo
Zeno Koo (顧定軒) garnered praise for his depiction of a young Tracey in the eponymous Hong Kong film about a trans woman who comes out in mid-life. Koo has continued acting in films and on TV, and expanded into a career as a singer.
Filmography

Social Distancing
Social Distancing

Cyber Heist
as Chan Ming-Wai
Cyber Heist
as Chan Ming-Wai

Former Best Friend
Former Best Friend

The Young The Old and The Rich
The Young The Old and The Rich

Time
as Ben Chan
Time
as Ben Chan

I'm Livin' It
as Sam Wong
I'm Livin' It
as Sam Wong

Hell Bank Presents: Running Ghost
Hell Bank Presents: Running Ghost

Memories to Choke On, Drinks to Wash Them Down
as Younger Brother (segment "Toy Stories")
Memories to Choke On, Drinks to Wash Them Down
as Younger Brother (segment "Toy Stories")

Once Upon A Time In...Sai Wan
as Newbie 612
Once Upon A Time In...Sai Wan
as Newbie 612

A Lifetime Treasure
as Policeman
A Lifetime Treasure
as Policeman

Tracey
as Young Tung Tai-hung
Tracey
as Young Tung Tai-hung

Somewhere Beyond the Mist
Somewhere Beyond the Mist

Victoria and Wilhelm Tell
as Cheung Lap Yan
Victoria and Wilhelm Tell
as Cheung Lap Yan

I Go to School Not by Bus
as Ming Wong
I Go to School Not by Bus
as Ming Wong

Au Revoir
as Chung Fun
Au Revoir
as Chung Fun

Fencing
as Hong Cheuk Pun / Pun
Fencing
as Hong Cheuk Pun / Pun