Steffan Rhodri - wikipedia Steffan Rhodri Steffan Rhodri ( 1967 - 03 - 01 ) 1 March 1967 ( age 51 ) Swansea, Wales Years active 1997 -- present Steffan Rhodri ( born 1 March 1967 ) is a Welsh film actor, best known for portraying Dave Coaches on Gavin & Stacey and as Reg Cattermole in Harry Potter and the Deathly Hallows part I. Contents 1 Personal life 2 Film work 3 TV work 4 Theatre 5 Video games 6 Audio drama 7 References 8 External links Personal life Steffan is a Swansea City supporter. Film work Wonder Woman ( 2017 ) - Colonel Darnell The Hollow Crown - Henry vi pt 2 ( 2014 ) Under Milk Wood ( 2014 ) Harry Potter and the Deathly Hallows Part I ( 2010 ) as Reg Cattermole / Ron Weasley ( Polyjuice Potion ) Ironclad ( 2011 ) Submarine ( 2010 ) - Mr. Davey The Big I Am ( 2010 ) - DS Moseley Cymru Fach ( 2008 ) Ali G Indahouse ( 2002 ) - School Teacher Solomon and Gaenor ( 1999 ) - Noah Jones Twin Town ( 1997 ) - Hunky TV work Shorts : The Pines by Gary Owen, starring Steffan Rhodri ( 2017 ) Apple Tree Yard - BBC ( 2017 ) Under Milk Wood - BBC ( 2014 ) Cucumber ( 2014 ) Cara Fi ( 2014 ) A Touch of Cloth III ( 2014 ) Hinterland ( 2013 ) Father Brown ( 2012 ) 4Music ( Narrator ) ( 2011 -- present ) Teulu ( 2010 ) Pen Talar ( 2010 ) Doctors ( 2010 ) Gavin & Stacey ( 2007 -- 10 ) Giles Wemmbley Hogg Goes Off... to Glastonbury ( 2007 ) Heartbeat ( 2007 ) Wire in the Blood ( 2005 ) Con Passionate ( 2005 ) Belonging ( 2007 -- 08 ) Tales from Pleasure Beach ( 2001 ) Bloodline ( 1997 ) A Mind to Kill ( 1997 ) Theatre Abigail 's Party -- play by Mike Leigh ( Hampstead Theatre, London, England, UK ) ; 2002 -- 03 The Birthday Party - Clwyd Theatr Cymru ; 2006 The Father - Chichester ; 2006 Great Expectations - Clwyd Theatr Cymru ; 2009 Mary Stuart - Clwyd Theatr Cymru ; 2009 Clybourne Park -- Russ / Dan ; by Bruce Norris ; Royal Court Theatre, London ; 2010 The kitchen Sink - by Tom Wells ; Bush Theatre ; 2011 Absent Friends - by Alan Ayckborn ; West End ; 2012 Posh - by Laura Wade ; West End ; 2012 It 's a Mad World My Masters ; Middleton ; Royal Shakespeare Company ; 2013 Candide - by Mark Ravenhill ; Royal Shakespeare Company ; 2013 I 'd Rather Goya Robbed Me Of My Sleep Than Some Other Arsehole - by Federico Garcia ; Gate Theatre ; 2014 The Mentalists ( play ) by Richard Bean ; West End ; 2015 The Hairy Ape by Eugene O'Neill ; The Old Vic ; 2015 Walter Harrison ( politician ) in This House ( play ) by James Graham ; Garrick Theatre ; 2016 - 17 Video games Ni no Kuni : Wrath of the White Witch ( 2013 ) -- Drippy ( voice ) Audio drama He has also guest - starred in a number of Doctor Who spin - off audio plays produced by Big Finish Productions. These include Dreamtime, The Bone of Contention and as the British Prime Minister in UNIT : The Longest Night and UNIT : The Wasting. References Jump up ^ Steffan supports Swans DVD,... ' Golden Year ' for Gavin, Stacey & Harry Potter star. Jump up ^ The Actor who will play as Reg Cattermole in the upcoming `` Deathly Hallows '' movie. Jump up ^ Reg Cattermole in movies. ^ Jump up to : Price, Karen ( 20 November 2009 ). `` Steffan Rhodri : I 'm a Jack of all trades ''. Jump up ^ `` The Hairy Ape ''. London Box Office. 2015. Retrieved 17 November 2015. Jump up ^ `` February 2017 - publisher = London Garrick Theatre - year = 2016 ''. Jump up ^ `` Re-imagining Ni no Kuni for the West ''. External links Steffan Rhodri on IMDb Retrieved from `` https://en.wikipedia.org/w/index.php?title=Steffan_Rhodri&oldid=822640127 '' Categories : 1967 births Living people Welsh - speaking actors Welsh male film actors Welsh male television actors People from Swansea 20th - century Welsh male actors 21st - century Welsh male actors People educated at Ysgol Gyfun Ystalyfera Hidden categories : EngvarB from November 2013 Use dmy dates from November 2013 Articles with hCards Talk Contents About Wikipedia Cymraeg Edit links This page was last edited on 27 January 2018, at 16 : 40. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: who plays dave coaches in gavin and stacey
Answer: Steffan Rhodri