Simon Yam and Johnnie To have appeared together in 12 films between 1999 and 2020, with a combined box office of HK$33.3 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1999 | The Mission | HK$4.6 million |
| 2001 | Fulltime Killer | HK$28.7 million |
| 2002 | My Left Eye Sees Ghosts | |
| 2003 | PTU | |
| 2004 | Breaking News | $1 million |
| 2005 | Election | $2.2 million |
| 2006 | Election 2 | $1.8 million |
| 2006 | Exiled | $1.2 million |
| 2007 | Triangle | $4.6 million |
| 2008 | Sparrow | $3.5 million |
| 2009 | Vengeance | $1.3 million |
| 2020 | Septet: The Story of Hong Kong | $1.7 million |
Simon Yam also often with: Lam Suet (21), Maggie Shiu (9), Donnie Yen (8), Gordon Lam (8), Jacky Cheung (7)
Johnnie To also often with: Lam Suet (25), Wai Ka-Fai (12), Sean Lau (11), Andy Lau (10), Louis Koo (10)