Alexander Armstrong
- Peppa's Cinema Party
2024 Captain Dog (voice)
- Hey Duggee Is 10!
2024 Narrator (voice)
- Hey Duggee's Cinema Outing
2023 Narrator (voice)
- Alexander Armstrong in Sri Lanka
2023 Presenter
- Hey Duggee at The Movies 4
2022 Narrator (Voice)
- History: The Interesting Bits
2022 Narrator (voice)
- The Queen And Her Cousins With Alexander Armstrong
2021 Presenter
- Horrible Histories: The Movie — Rotten Romans
2019 Catus Decianus
- Hey Duggee at the Cinema! - Autumn Collection
2019 Narrator
- Hey Duggee at the Cinema!
2019 Narrator (Voice)
- Bradley Walsh & Son: Breaking Dad
2019 Narrator
- Years and Years
2019 Alexander Armstrong
- Saluting Dad's Army
2018 Presenter
- Peppa Pig: My First Cinema Experience
2017 Captain Dog (voice)
- Sheridan
2017 Himself
- Don't Ask Me Ask Britain
2017 Himself (Presenter)
- Hey Duggee: The Super Squirrel Badge & Other Stories
2016 Narrator
- TOONED Special Edition: #Hunt40
2016 Professor M
- Peppa Pig: The Golden Boots
2015 Captain Dog (voice)
- The Sound of Music Live!
2015 Max Detweiler
- Rome's Invisible City
2015 Himself - Presenter
- Cockroaches
2015
- Danger Mouse
2015 Danger Mouse (voice)
- Drunk History
2015 Sir Arthur Harris
- Horrible Science
2015 Tannoy
- Mike the Knight: Journey to Dragon Mountain
2014 King Glendragon (voice)
- Hey Duggee
2014 Narrator (voice)
- Hacks
2012 David Bullingdon
- Love Life
2012 Dominic
- Tooned
2012 Professor M
- Doctor Who: The Doctor, the Widow and the Wardrobe
2011 Reg Arwell
- The Great British Weather
2011 Himself - Presenter
- The Story of 'Are You Being Served?'
2010 Himself - Narrator (voice)
- Jackboots on Whitehall
2010 Red Leader (voice)
- Sarah Jane's Alien Files
2010 Mr. Smith
- Skellig
2009 Mr. Hunt
- Micro Men
2009 Clive Sinclair
- Reggie Perrin
2009 David
- Mutual Friends
2008 Patrick Turner
- The Trial of Tony Blair
2007 David Cameron
- Christmas at the Riviera
2007 Miles
- The Sarah Jane Adventures: Invasion of the Bane
2007 Mr Smith
- The Sarah Jane Adventures
2007 Mr Smith (voice)
- The Armstrong and Miller Show
2007 Writer
- Comedy Showcase
2007 Murdo
- After You've Gone
2007 Dr Howard Banks
- Scoop
2006 Cop
- Hotel Babylon
2006 Aiden Spencer
- Not Going Out
2006 Alexander Armstrong
- Saxondale
2006 Jerome Wilson
- Match Point
2005 Mr. Townsend
- My Family and Other Animals
2005 Narrator
- Open Wide
2005 David Wivvelsfield
- Doctor Who
2005 Mr Smith (voice)
- Life Begins
2004 Phil Mee
- Agatha Christie's Marple
2004 D.I. Dermot Craddock
- The House Across The Street
2002 Ray
- tlc
2002 Dr Stephen Noble
- Birthday Girl
2001 Robert Mosley
- Murder Rooms: The Dark Beginnings of Sherlock Holmes
2001 Turnavine
- Dr Terrible's House of Horrible
2001 Michael Masters
- The Sight
2000 Charles Dodgson
- Cinderella: The ITV Pantomime
2000 Prince Charming
- Beast
2000 Nick
- Time Gentlemen Please
2000 Dean
- Plunkett & Macleane
1999 Winterburn
- Stressed Eric
1998
- Mojo
1997 BBC Announcer
- Armstrong and Miller
1997 Various Characters
- Brass Eye
1997 American Vox Pop
- Sharpe's Regiment
1996 Lord John Rossendale
- Saturday Live
1996 Strikja
- Sardines
1995 Alastair Simpson
- The Thin Blue Line
1995 Arrested Man
- There's No Business...
1994 Tim
- A Breed of Heroes
1994 Capt. Henry Sandy
- Sharpe
1993 Rossendale
- Screen One
1989 Capt. Henry Sandy
- Comic Relief
1988
