Known For
- 2026
- Alexander Armstrong Across America · Series · Presenter
- Alexander Armstrong in India · Series
- 2024
- Hey Duggee Is 10! · Film · Narrator (voice)
- Peppa's Cinema Party · Film · Captain Dog (voice)
- Perfect Pub Walks · Series · Presenter
- 2023
- Hey Duggee's Cinema Outing · Film · Narrator (voice)
- Buckingham Palace with Alexander Armstrong · Series · Host
- Alexander Armstrong in Sri Lanka · Series · Presenter
- 2022
- Hey Duggee at The Movies 4 · Film · Narrator (Voice)
- Alexander Armstrong in South Korea · Series · Presenter
- History: The Interesting Bits · Series · Narrator (voice)
- 2021
- The Queen And Her Cousins With Alexander Armstrong · Film · Presenter
- Iceland with Alexander Armstrong · Series · Presenter
- 2020
- Anthony · Film
- Michael McIntyre's The Wheel · Series · Expert
- Beat the Chasers · Series · Contestant
- 2019
- Hey Duggee at the Cinema! - Autumn Collection · Film · Narrator
- Horrible Histories: The Movie — Rotten Romans · Film · Catus Decianus
- Kilimanjaro: The Bigger Red Nose Climb · Film
- Hey Duggee at the Cinema! · Film · Narrator (Voice)
- Years and Years · Series · Alexander Armstrong
- Bradley Walsh & Son: Breaking Dad · Series · Narrator
- 2018
- The Royal Variety Performance 2018 · Film
- We Are Most Amused and Amazed · Film
- Best Christmas Ever with Alexander Armstrong · Series
- Saluting Dad's Army · Series · Presenter
- Celebrity Catchphrase · Series
- 2017
- Sheridan · Film
- A Very Royal Wedding · Film · Presenter
- Oxide Ghosts: The Brass Eye Tapes · Film
- Peppa Pig: My First Cinema Experience · Film · Captain Dog (voice)
- Don't Ask Me Ask Britain · Series · Himself (Presenter)
- Italy's Invisible Cities · Series · Presenter
- 2016
- Hey Duggee: The Super Squirrel Badge & Other Stories · Film · Narrator
- Bruce's Hall of Fame with Alexander Armstrong · Film · Presenter
- 2015
- The Sound of Music Live! · Film · Max Detweiler
- Rome's Invisible City · Film · Presenter
- Peppa Pig: The Golden Boots · Film · Captain Dog (voice)
- Alexander Armstrong in the Land of the Midnight Sun · Series
- Danger Mouse · Series · Danger Mouse (voice)
- Horrible Science · Series · Tannoy
- Cockroaches · Series
- 2014
- Mike the Knight: Journey to Dragon Mountain · Film · King Glendragon (voice)
- Alexander Armstrong's Real Ripping Yarns · Film
- Hey Duggee · Series · Narrator (voice)
- 2012
- 2011
- Doctor Who: The Doctor, the Widow and the Wardrobe · Film · Reg Arwell
- Alexander Armstrong's Big Ask · Series
- 2010
- Jackboots on Whitehall · Film · Red Leader (voice)
- The Story of 'Are You Being Served?' · Film · Narrator (voice)
- Sarah Jane's Alien Files · Series · Mr. Smith
- 2009
- Micro Men · Film · Clive Sinclair
- Skellig · Film · Mr. Hunt
- Pointless · Series · Presenter
- Reggie Perrin · Series · David
- 2008
- Mutual Friends · Series · Patrick Turner
- 2007
- Christmas at the Riviera · Film · Miles
- The Trial of Tony Blair · Film · David Cameron
- The Sarah Jane Adventures: Invasion of the Bane · Film · Mr Smith
- The Armstrong and Miller Show · Series · Various Characters
- Comedy Showcase · Series · Murdo
- The Sarah Jane Adventures · Series · Mr Smith (voice)
- Would I Lie to You? · Series
- After You've Gone · Series · Dr Howard Banks
- The Armstrong and Miller Show · Series · Writer
- 2006
- Scoop · Film · Cop
- Not Going Out · Series · Alexander Armstrong
- Saxondale · Series · Jerome Wilson
- Hotel Babylon · Series · Aiden Spencer
- 2005
- My Family and Other Animals · Film · Narrator
- Open Wide · Film · David Wivvelsfield
- Have I Got News for You: The Best of the Guest Presenters Volume 2 · Film
- The Perfect Scary Movie · Film · Narrator (voice)
- Match Point · Film · Mr. Townsend
- Doctor Who · Series · Mr Smith (voice)
- 2004
- Agatha Christie's Marple · Series · D.I. Dermot Craddock
- Who Do You Think You Are? · Series
- Life Begins · Series · Phil Mee
- 2002
- The House Across The Street · Film · Ray
- tlc · Series · Dr Stephen Noble
- Ant & Dec's Saturday Night Takeaway · Series · Guest Announcer
- 2001
- Birthday Girl · Film · Robert Mosley
- Dr Terrible's House of Horrible · Series · Michael Masters
- Murder Rooms: The Dark Beginnings of Sherlock Holmes · Series · Turnavine
- 2000
- The Sight · Film · Charles Dodgson
- Cinderella: The ITV Pantomime · Film · Prince Charming
- Time Gentlemen Please · Series · Dean
- Beast · Series · Nick
- 1999
- Plunkett & Macleane · Film · Winterburn
- 1998
- Stressed Eric · Series
- 1997
- Mojo · Film · BBC Announcer
- Space Cadets · Series
- Armstrong and Miller · Series · Various Characters
- Brass Eye · Series · American Vox Pop
- 1996
- Never Mind the Horrocks · Film
- Sharpe's Regiment · Film · Lord John Rossendale
- Saturday Live · Series · Strikja
- 1995
- Sardines · Film · Alastair Simpson
- The Thin Blue Line · Series · Arrested Man
- 1994
- A Breed of Heroes · Film · Capt. Henry Sandy
- There's No Business... · Film · Tim
- 1993
- Sharpe · Series · Rossendale
- 1989
- Screen One · Series · Capt. Henry Sandy
- 1988
- Comic Relief · Series