
I Swear
2025 · 8.3/10
Absolute Cinema
Actor · born 26 April 1956 · Dundee, Tayside, Scotland
Ronald Eaglesham Porter, known professionally as Ron Donachie (born 26 April 1956, Dundee, Scotland), is a Scottish character actor. He attended Madras College in St Andrews and earned an MA (Hons.) in English Literature and Drama from the University of Glasgow in 1979. He is best known for portraying Ser Rodrik Cassel, the steadfast master-at-arms of House Stark, in HBO's Game of Thrones (2011–2012), for his supporting role as Master-at-Arms Thomas King in James Cameron's Titanic (1997), and for voicing DI John Rebus in the BBC Radio 4 dramatisations of Sir Ian Rankin's Rebus detective novels, a role he reprised on stage in Rebus: Long Shadows. He has appeared in over 130 productions across theatre, film, and television since the early 1970s. His filmography includes Comfort and Joy (1984), White Mischief (1987), The Jungle Book (1994, as Sergeant Harley), Fierce Creatures (1997), Titanic (1997), Max Manus: Man of War (2008, as Colonel J.S. Wilson), Filth (2012, as Hector), Sunset Song (2015, as Uncle Tam), Steel Rain (2017, as US Secretary of State Michael Dobbs), Outlaw King (2018, as Robert Wishart, Bishop of Glasgow), Rocketry: The Nambi Effect (2022, as Col. Val Cleaver), and I Swear (2025, as Headmaster Donald Watkins). On television he has appeared in Taggart (1983), The Bill (1984, as DCI Andrew Ross, recurring), Doctor Who (2005), Downton Abbey (2010, as Mr. McCree), Rebus (1999–2000, as Jack Gunner / DCI Wilson), Vera (2011), Silk (2011), Blandings (2013), Waterloo Road (2012, 7 episodes), Karen Pirie (2022), Granite Harbour (2022), and Screw (2022, as Don Carpenter, 12 episodes).
Where to start: I Swear (2025).

2025 · 8.3/10
Absolute Cinema
2022 · 7.7/10
Worth the Hype
2019 · 7.0/10
Worth the Hype
2018 · 6.8/10
Popcorn Flick
2017 · 7.1/10
Worth the Hype
2015 · 6.2/10
Popcorn Flick
2014 · 6.7/10
Popcorn Flick
2013 · 5.4/10
New
2013 · 6.8/10
Popcorn Flick
2011 · 6.2/10
Popcorn Flick
2008 · 6.5/10
Popcorn Flick
2008 · 7.1/10
Worth the Hype
2008 · 5.2/10
Snoozefest
2008 · 6.5/10
Popcorn Flick
2007 · 6.4/10
New
2006 · 6.5/10
Popcorn Flick
2006 · 5.3/10
New
2005 · 5.7/10
New
2005 · 6.3/10
Popcorn Flick
2005 · 6.6/10
NewMan Dancin'
2004 · 4.3/10
New
2003 · 8.0/10
New
2002 · 6.5/10
New
2000 · 5.6/10
Snoozefest
2000
New
2000 · 5.7/10
Snoozefest
1999 · 6.0/10
New
1998 · 8.7/10
New
1997 · 7.9/10
Absolute Cinema
1997 · 6.2/10
Popcorn Flick
1994 · 6.0/10
Popcorn Flick
1994 · 4.1/10
New
1992 · 6.7/10
New
1990 · 7.0/10
New
1988 · 5.5/10
New
1988 · 9.0/10
New
1988 · 10.0/10
New
1987 · 6.1/10
Popcorn Flick
1986 · 7.2/10
New
1984 · 6.6/10
Popcorn Flick
1984 · 7.5/10
New
1983 · 5.3/10
New
1983 · 7.0/10
New
TV · 2022 · 6.9/10
Popcorn Flick
TV · 2022 · 6.5/10
New
TV · 2021 · 7.5/10
Worth the Hype
TV · 2017 · 6.6/10
Popcorn Flick
TV · 2013 · 6.4/10
Popcorn Flick
TV · 2013 · 7.7/10
Worth the Hype
TV · 2013 · 7.2/10
New
TV · 2011 · 6.3/10
New
TV · 2011 · 7.4/10
Worth the Hype
TV · 2011 · 8.5/10
Absolute Cinema
TV · 2007 · 7.6/10
Worth the Hype
TV · 2006 · 7.1/10
New
TV · 2005 · 7.6/10
Worth the Hype
TV · 2004 · 9.0/10
New
TV · 2004 · 7.5/10
Worth the Hype
TV · 2003 · 6.4/10
New
TV · 2000 · 6.9/10
New
TV · 1999 · 9.0/10
New
TV · 1999 · 7.7/10
New
TV · 1997 · 7.0/10
New
TV · 1997 · 7.1/10
New
TV · 1996 · 7.6/10
Worth the Hype
TV · 1995 · 7.5/10
New
TV · 1995 · 7.7/10
New
TV · 1994 · 8.4/10
New
TV · 1993 · 6.6/10
Popcorn FlickMe, You and Him
TV · 1992 · 7.3/10
NewSpecials
TV · 1991 · 6.8/10
New
TV · 1990 · 8.0/10
New
TV · 1989 · 10.0/10
New
TV · 1988 · 5.8/10
New
TV · 1987 · 7.1/10
New
TV · 1983 · 7.9/10
Absolute Cinema
TV · 1983 · 6.6/10
New
TV · 1983
NewBy viewer score, I Swear (2025) at 8.3/10.
Titanic, Filth, Blitz.
43 films on TMDB, 43 as actor.