Name	Known for
Griff Rhys Jones Max Vivaldi Max Vivaldi See fewer	Alas Smith & Jones (1984)
Greg Llewellyn Arthur Reporter Reporter See fewer	Mine All Mine (2004)
Matthew Barry Leo Vivaldi Leo Vivaldi See fewer	Industry (2020)
Debbie Chazen Big Claire Big Claire See fewer	Suzie Gold (2004)
Simon Gregor Sam Beynon Sam Beynon See fewer	Welcome to the Punch (2013)
Robin Griffith Mr. Collier Mr. Collier See fewer	Torchwood (2006)
Jennifer Hill Bronwen Thomas Bronwen Thomas See fewer	Human Traffic (1999)
John Howarth Council Lawyer Council Lawyer See fewer	Years and Years (2019)
Jason Hughes Gethin Morris Gethin Morris See fewer	Midsomer Murders (1997)
Lynn Hunter Iris Price Iris Price See fewer	Submarine (2010)
Sara Hunter Presenter Presenter See fewer	Mine All Mine (2004)
Ruth Madoc Myrtle Jones Myrtle Jones See fewer	Fiddler on the Roof (1971)
John Scott Martin Rico Vivaldi Rico Vivaldi See fewer	Little Shop of Horrors (1986)
Ceri Mears Cameraman Cameraman See fewer	Ironclad (2011)
Glyn Morgan Thomas Roberts Thomas Roberts See fewer	Without Motive (2000)
Rhian Morgan Val Vivaldi Val Vivaldi See fewer	Apostle (2018)
Sharon Morgan Stella Craven Stella Craven See fewer	Apostle (2018)
Siwan Morris Maria Vivaldi Maria Vivaldi See fewer	The Machine (I) (2013)
Joanna Page Candy Vivaldi Candy Vivaldi See fewer	Love Actually (2003)
Ri Richards Mrs. Digby Mrs. Digby See fewer	Involuntary Activist (2019)
Hugh Ross Mr. Coltrane Mr. Coltrane See fewer	Nightbreed (1990)
Matt Ryan Tonker Tonker See fewer	Assassin's Creed IV: Black Flag (2013)
Jo Stone-Fewings Danny Baveystock Danny Baveystock See fewer	The Hollow Crown (2012)
Tim Treloar Cliff Finch Cliff Finch See fewer	Maleficent (2014)