Name	Known for
Calum Worthy Roger / Ratty Roger / Ratty See fewer	The Act (2019)
Brenda Fricker Joan Jones Joan Jones See fewer	My Left Foot (1989)
Tom Conti Bob Jones Bob Jones See fewer	Oppenheimer (I) (2023)
Ned Beatty Mudduck Mudduck See fewer	Network (1976)
Stephen Ouimette Wheedle Wheedle See fewer	Slings and Arrows (2003)
Katie Blake Lady Aurelia Ashington / Mary Jane Potts Lady Aurelia Ashington / Mary Jane Potts See fewer	Helen of Troy (2003)
James Millard Prince Richard Prince Richard See fewer	Closing the Ring (2007)
Karl Pruner Julian Julian See fewer	The Recruit (2003)
Richard Graham Charlie Charlie See fewer	Titanic (1997)
Denis Lill Sergeant Piggles Sergeant Piggles See fewer	The Royal (2003)
Simon Sherlock PC Bunley PC Bunley See fewer	The English Patient (1996)
Janet Henfrey Mrs. Cribbins Mrs. Cribbins See fewer	Les Misérables (1998)
Gerard Murphy Dr. Bullman Dr. Bullman See fewer	Waterworld (1995)
Don McKellar Oliver Tapscrew Oliver Tapscrew See fewer	Last Night (I) (1998)
Sharron Matthews Barmaid Barmaid See fewer	Mean Girls (2004)
Sheila McCarthy Mrs. Tapscrew Mrs. Tapscrew See fewer	Women Talking (2022)
William Greenblatt Billy Billy See fewer	Life with Derek (2005)
Michael D'Ascenzo Hocus Hocus See fewer	Charlie Bartlett (2007)
Michael Seater Pikey Pikey See fewer	Life with Derek (2005)
Michael Cera Buzzer Buzzer See fewer	Scott Pilgrim vs. the World (2010)
Harry Miller Secret Serviceman #1 Secret Serviceman #1 See fewer	Grushko (1994)
Martin Trenaman Secret Serviceman #2 Secret Serviceman #2 See fewer	The Inbetweeners 2 (2014)
Ned Vukovic Policeman Policeman See fewer	Being Julia (2004)
Wayne Robson Eric Eric See fewer	Cube (1997)
Damien Atkins Walter Walter See fewer	Take This Waltz (2011)
Graham Harley Professor Jeremy Knowall Professor Jeremy Knowall See fewer	Slings and Arrows (2003)
Kathryn Greenwood Lucasta Utensil Lucasta Utensil See fewer	Wind at My Back (1996)
Alex Poch-Goldin Usher Usher See fewer	Traitor (2008)
Blair Williams Lucas Warm Lucas Warm See fewer	American Psycho (2000)
Fiona Reid Judge Myopia Scorn Judge Myopia Scorn See fewer	My Big Fat Greek Wedding (2002)
Scott Wickware Guard Guard See fewer	The Tuxedo (2002)
Gareth Taplin Dancer (uncredited) Dancer (uncredited) See fewer	No Bananas (1996)