Name	Known for
Michael Harbour Gregor Mendel (as Michael N. Harbour) Gregor Mendel (as Michael N. Harbour) See fewer	Bluebell (1986)
Terrence Hardiman Father Rambousek Father Rambousek See fewer	Gandhi (1982)
Gerard Murphy Johann Nave Johann Nave See fewer	Waterworld (1995)
Bryan Pringle Jan Twrdy Jan Twrdy See fewer	Brazil (1985)
Derek Smith Abbot Napp Abbot Napp See fewer	The Forsyte Saga (1967)
Henry Moxon Father Keller Father Keller See fewer	Coronation Street (1960)
David Pugh Father Winkelmeyer Father Winkelmeyer See fewer	Burke & Hare (1972)
Sidney Livingstone Joseph Maresh Joseph Maresh See fewer	Lifeforce (1985)
Jeffry Wickham Professor Unger Professor Unger See fewer	Scoop (2006)
Michael Maynard Carl Theimer Carl Theimer See fewer	No 73 (1982)
Alison Elliott Theresia Theresia See fewer	Killer's Moon (1978)
Preston Lockwood Professor Fenzi Professor Fenzi See fewer	Time Bandits (1981)
Neal Swettenham Brother Clemens Brother Clemens See fewer	EastEnders (1985)
Brian Poyser Gustav Niessi Gustav Niessi See fewer	The Messenger: The Story of Joan of Arc (1999)
Roger Ostime Professor Makowsky Professor Makowsky See fewer	The Baker Street Boys (1983)
Simon Cowell-Parker Alois Alois See fewer	King's Royal (1982)