Nicholas trained at the London Academy of Music and Dramatic Art.
| 1998 | ALONE TOGETHER | Michael | Leslie Lawton | Mill at Sonning | |
| 1997 | OUR BETTERS | Lord Bleane | Michael Rudman | Chichester Festival Theatre | |
| 1996 | MANSFIELD PARK | Edmund Bertram | Michael Rudman | Duncan Weldon Tour | |
| 1996 | THE TENANT OF WILDFELL HALL | Walter/Frederick | Gwenda Hughes | Birmingham Rep | |
| 1996 | THE WINSLOW BOY | John | Gwenda Hughes | Birmingham Rep & West Yorkshire Playhouse | |
| 1996 | BETJEMANIA | Young Man | Dave Benedictus | Kings Head | |
| 1992/3 | CYRANO DE BERGERAC | Cadet | Elijah Moshinsky | Haymarket Theatre | |
| 1992 | FUENTE OVEJUNA | Declan Donnelan | National Theatre | ||
| 1991 | A VIEW FROM THE BRIDGE | Rudolpho | Christopher Dunham | Palace Theatre, Westcliff | |
| 1991 | UP ëN UNDER | Steve | Christopher Dunham | Palace Theatre, Westcliff | |
| 1990/1 | DAYS OF HOPE | John Retallack | Oxford Stage Company, Tour & Haymarket |
| 2004 | THE BASIL BRUSH SHOW | Headmaster | Vanessa Amberley | The Foundation obo BBC TV | |
| 2003 | THE BASIL BRUSH SHOW | Doctor | Des McCarthy | The Foundation obo BBC TV | |
| 2000/1 | EASTENDERS | PC Gilbert | Various | BBC (recurring character) | |
| 2000/1 | GRANGE HILL | Michael Barton | Des McCarthy | BBC (series regular) | |
| 1998 | DISASTER: WINDSCALE | Goodwin | Bryn Higgins | Stone City Films | |
| 1998 | SEE HOW THEY RUN | Mr. Fox | Graham Harper | BBC | |
| 1995 | CASUALTY | Paul Markwick | Robert Evans | BBC | |
| 1995 | DANGERFIELD | Mason | Richard Holthouse | BBC | |
| 1994 | ONE FOR THE ROAD | Parry | Steve Bawol | Channel X | |
| 1993 | PEAK PRACTICE | Central TV | |||
| 1993 | ROMEO AND JULIET | Abraham | Alan Horrocks | Tetra Films | |
| 1993 | THE BILL | John Strickland | Thames | ||
| 1991 | CASUALTY | Tommy | Michael Brashaw | BBC | |
| 1990 | MATHSCOPE | BBC | |||
| 1990 | THE MENíS ROOM | Antonia Bird | BBC | ||
| 1997 | THE LAST SEDUCTION II | Simon Laurie | Terry Marcell | Specific Films |
| 2003 | Extracts from MACBETH | Reader | Dee Dawson | BBC Schools Radio | |
| 1997 | OUR BETTERS | Lord Bleane | Janet Whitaker | BBC R4 |