Name	Known for
Jimmy Edwards Professor Jimmy Edwards Professor Jimmy Edwards See fewer	The Bed Sitting Room (1969)
Harold Bennett Mr. Dinwiddie Mr. Dinwiddie See fewer	Are You Being Served? (1972)
Dorothy Frere Headmistress Headmistress See fewer	The Snake Woman (1961)
Erin Geraghty Jacquetta Jacquetta See fewer	Bellbottom (2021)
Richard Grant Announcer Announcer See fewer	Softly Softly (1966)
Peter Greene Mr. Halliforth Mr. Halliforth See fewer	Doctor Who (1963)
Sandra Greene Maisie (as Sandra Green) Maisie (as Sandra Green) See fewer	The Gamblers (1967)
Noel Johnson Mr. Taplow Mr. Taplow See fewer	Frenzy (1972)
Julian Orchard Oliver Pettigrew Oliver Pettigrew See fewer	The Adventure of Sherlock Holmes' Smarter Brother (1975)
Lesley Roach Ivy Ivy See fewer	Les Misérables (1967)
Greg Smith Potter Potter See fewer	Impure Thoughts (1986)
Richard Warner Quiz-Master Quiz-Master See fewer	Mary, Queen of Scots (1971)
Gary Warren Taplow Taplow See fewer	The Railway Children (1970)