Name	Known for
Alison Fiske Vivian Cathcart Vivian Cathcart See fewer	Mansfield Park (1983)
Denis Lill Martin Cathcart Martin Cathcart See fewer	The Royal (2003)
Philip Latham Donald Howard Donald Howard See fewer	Dracula: Prince of Darkness (1966)
Patricia Maynard Sophy Clarke Sophy Clarke See fewer	Doctor Who (1963)
Nell Brennan Jenny Jenny See fewer	The Borderers (1968)
Prentis Hancock Oliver Oliver See fewer	Space: 1999 (1975)
Debbie Wheeler Linda Linda See fewer	The New Adventures of Lucky Jim (1982)
Charlotte Mitchell Pauline Pauline See fewer	Persuasion (1971)
Stephanie Cole Mona Mona See fewer	Miss Pettigrew Lives for a Day (2008)
Ronald Forfar Guthrie Guthrie See fewer	Bread (1986)
Hugh Ross Dr. Porteous Dr. Porteous See fewer	Nightbreed (1990)
Robert James Atkins Atkins See fewer	Blake's 7 (1978)
Suzanne Burden Actress Actress See fewer	Black Mirror: Bandersnatch (2018)
Carol Holmes Actress Actress See fewer	Milk & Money (1996)