Mark Lockyer is an actor and assistant director, known for Harry Potter and the Half-Blood Prince (2009), The Wind in the Willows (1995) and The Willows in Winter (1996).
| Movie | London Road | Unknown | 2015 |
| Movie | How to Go Faster and Influence People: The Gordon Murray F1 Story | Himself - Narrator | 2012-07-08 |
| Movie | Dead End | Unknown | 2010 |
| Movie | Harry Potter and the Half-Blood Prince | Unknown | 2009-07-15 |
| Movie | Maxwell | Unknown | 2007 |
| Series | Ancient Rome: The Rise and Fall of an Empire | Unknown | 2006 |
| Movie | Diana's Legacy | Unknown | 2004 |
| Movie | The Boy Who Would Be King | Unknown | 2004 |
| Movie | Shoreditch | Unknown | 2003 |
| Series | Casualty | Unknown | 1998-09-28 |
| Movie | The Ugly Duckling | Unknown | 1997 |
| Movie | The Willows in Winter | Chief Weasel | 1996-12-26 |
| Movie | The Great Kandinsky | Unknown | 1995 |
| Series | Joking Apart | Unknown | 1995 |
| Movie | The Wind in the Willows | Unknown | 1995 |
| Series | Maigret | Unknown | 1993 |
| Series | The World of Peter Rabbit and Friends | Unknown | 1992 |
| Movie | Out of Order | Unknown | 1987 |
| Series | The Bill | Unknown | 1984-10-16 |