Name	Known for
Susan Tully Michelle Michelle See fewer	EastEnders (1985)
Tom Watt Lofty Lofty See fewer	Sherlock Holmes (2009)
Gretchen Franklin Ethel Ethel See fewer	The Three Musketeers (1973)
Anna Wing Lou Lou See fewer	Son of Rambow (2007)
Matilda Ziegler Donna Donna See fewer	Living (2022)
Adam Woodyatt Ian Ian See fewer	EastEnders (1985)
William Boyde James Willmott-Brown James Willmott-Brown See fewer	Lucia (1998)
Leslie Grantham Den Den See fewer	EastEnders (1985)
Anita Dobson Angie Angie See fewer	Red Dwarf (1988)
Pam St. Clement Pat Pat See fewer	EastEnders (1985)
Nej Adamson Ali (as Nejdet Salih) Ali (as Nejdet Salih) See fewer	Pirates of the Caribbean: Dead Man's Chest (2006)
Sandy Ratcliff Sue Sue See fewer	EastEnders (1985)
Allan O'Keefe Mr. Smith Mr. Smith See fewer	Coronation Street (1960)
Linda Davidson Mary Mary See fewer	EastEnders (1985)
Letitia Dean Sharon Sharon See fewer	England, My England (1995)
Nick Berry Wicksy Wicksy See fewer	HeartBeat: Changing Places (1998)
Jason Watkins Gerry Gerry See fewer	The Crown (2016)
Gillian Taylforth Kathy Kathy See fewer	Footballers' Wives (2002)
Bill Treacher Arthur Arthur See fewer	The Musketeer (2001)
Michael Cashman Colin Colin See fewer	Unman, Wittering and Zigo (1971)
Gary Hailes Barry Barry See fewer	Luther (2010)
Gary McDonald Darren Darren See fewer	Mob Rules (2010)