Name	Known for
Margaret Lockwood Mollie Manning Mollie Manning See fewer	The Lady Vanishes (1938)
Julia Lockwood Carol Manning Carol Manning See fewer	Please Turn Over (1959)
Tom Watson Fred Potter Fred Potter See fewer	Cardiac Arrest (1994)
Wendy Hall Prue Prue See fewer	Doomwatch (1970)
John Boyd-Brent George George See fewer	Parbottle Speaking (1962)
Molly Urquhart Jessie McDonald Jessie McDonald See fewer	The Big Day (1960)
Nerys Hughes Maisie Maisie See fewer	The Liver Birds (1969)
Hugh McDermott Dwight Cooper Dwight Cooper See fewer	Devil Girl from Mars (1954)
David Macmillan Ian Nicolson (as David MacMillan) Ian Nicolson (as David MacMillan) See fewer	Dr. Finlay's Casebook (1962)
James Kerry Dr. Ellwood Dr. Ellwood See fewer	The Passenger (1971)
Noel Trevarthen Det. Sgt. Alan Cooke Det. Sgt. Alan Cooke See fewer	Carson's Law (1983)
Derek Bond Dr. Fane Dr. Fane See fewer	Scott of the Antarctic (1948)