Name	Known for
Jonathan Miller Dr. Cass Dr. Cass See fewer	Cosi Fan Tutte (1986)
Denis Lawson Al Jackson Al Jackson See fewer	Star Wars: Episode IV - A New Hope (1977)
Joanna Lumley Davina Jackson Davina Jackson See fewer	Absolutely Fabulous (1992)
David Gillespie Al's Agent Al's Agent See fewer	A Thing Called Love (2004)
David Warner Robert Ringwald Robert Ringwald See fewer	Star Trek VI: The Undiscovered Country (1991)
Oliver Cotton Sam Sam See fewer	Shanghai Knights (2003)
Jane Bertish Olga Olga See fewer	Wonka (2023)
Helen Schlesinger Masha Masha See fewer	24 Hour Party People (2002)
Lucinda Raikes Irina Irina See fewer	The Fifth Estate (2013)
Christophe Edwards Book Panel Chair Book Panel Chair See fewer	Sensitive Skin (2005)
Di Trevis Mrs. Davidson Mrs. Davidson See fewer	Sensitive Skin (2005)
Joanna Croll Miss Atwell Miss Atwell See fewer	Hereafter (2010)
Stuart Myers Mr. Barry Mr. Barry See fewer	Sensitive Skin (2005)
Devon Scott Dr. Cass' Secretary Dr. Cass' Secretary See fewer	Tales of the Unexpected (1979)
Annabel Capper Tammy (uncredited) Tammy (uncredited) See fewer	For Life (2020)