Name	Known for
Douglas Rain Graves Graves See fewer	2001: A Space Odyssey (1968)
William Needles Manley Manley See fewer	Spasms (1983)
Joseph Shaw Mason Jr Mason Jr See fewer	The Brood (1979)
Frances Hyland Catherine Catherine See fewer	The Changeling (1980)
Marcia Clare Prudence Prudence See fewer	On Camera (1954)
Ivor Barry John Mason Sr John Mason Sr See fewer	Weird Science (1985)
Claire Drainie Mrs. Jackson (as Claire Murray) Mrs. Jackson (as Claire Murray) See fewer	Upside Town/Swingaround (1968)
Lew Davidson Clerk Clerk See fewer	The Unforeseen (1958)
Gertrude Bradley Mabel Mabel See fewer	The Unforeseen (1958)
Brendan Dillon Doctor Doctor See fewer	The Unsinkable Molly Brown (1964)
Gillie Fenwick Forbes Forbes See fewer	The Strange Case of Dr. Jekyll and Mr. Hyde (1968)