Ronald Yan Mau-Keung

2003

• [ ] PTU (Insp. Chan) 

2004

• [ ] Yesterday Once More (Police Inspector) 
• [ ] Throw Down (Sze-To's Boss) 

2005

• [ ] Election (Senior Inspector Yu) 

2006

• [ ] Exiled (Underground Doctor) 

2007

• [ ] Mad Detective (Chi-Wai's Boss) 

2008

• [ ] Linger (Doctor) 

2011

• [ ] Life Without Principle (Manager Ho Sze-tung) 

2013

• [ ] Blind Detective (Man Gambler) 

2015

• [ ] Office (Banker) 

2016

• [ ] Sky on Fire (Police Officer Head) 

2023

• [ ] A Guilty Conscience (????) 

2024

• [ ] Rob N Roll (Garage Owner)