Movies logged featuring Mark Williams| When Harry Left Hogwarts | Morgan Matthews | 2011 | No | N/A |
| Viva Blackpool | Catherine Morshead | 2006 | No | N/A |
| Canterbury Tales, The | Valery Ugarov, Joanna Quinn, Iain Gardner, Aida Zyablikova, Jonathan Myerson, Deiniol Morris, Damian Gascoigne, Ashley Potter, Dave Antrobus, Mic Graves, Sergei Olifirenko | 1998 | No | N/A |
| Dick Whittington: The ITV Pantomime | Geoff Posner | 2002 | No | N/A |
| Combat Sheep | Dominic Brigstocke | 2001 | No | N/A |
| We're Going on a Bear Hunt | Joanna Harrison, Robin Shaw | 2016 | No | N/A |
| Coppers | Ted Clisby | 1988 | No | N/A |
| Harry Potter: A History Of Magic | Jude Ho, Alex Harding | 2017 | No | N/A |
| 50 Greatest Harry Potter Moments | | 2011 | No | N/A |
| Suit You Sir! The Inside Leg Of The Fast Show | Alex Walsh-Taylor | 1999 | No | N/A |