Name	Known for
George Winter Merlin Merlin See fewer	Scum (1979)
Thomas Lambert Merlin the child Merlin the child See fewer	Merlin of the Crystal Cave (1991)
Jody David Merlin as a boy Merlin as a boy See fewer	Merlin of the Crystal Cave (1991)
Roger Alborough Uther Uther See fewer	Velvet Goldmine (1998)
Robert Powell Ambrosius Ambrosius See fewer	The Italian Job (1969)
Trevor Peacock Ralf Ralf See fewer	Fred Claus (2007)
Benedick Blythe Camlach Camlach See fewer	The King's Man (2021)
Don Henderson Galapas Galapas See fewer	Star Wars: Episode IV - A New Hope (1977)
Davyd Harries Marric Marric See fewer	Overlord (1975)
Gordon Gostelow Old Man Old Man See fewer	Esther Waters (1964)
Michael Shannon Blackbeard Blackbeard See fewer	Dark Shadows (2012)
Jon Finch Vortigern Vortigern See fewer	Frenzy (1972)
John Bennett Maugan Maugan See fewer	Watership Down (1978)
Robert Brown Gorlois Gorlois See fewer	A View to a Kill (1985)
David Kelly Poet Poet See fewer	Waking Ned Devine (1998)
Leslie Mills Warlord (uncredited) Warlord (uncredited) See fewer	House of Salem (2016)