Jonathan Newth is a British actor who has appeared extensively in British television drama for over 50 years. Newth trained at the Central School of Speech and Drama. Newth's theatre work includes appearances with the RSC, in the West End and on Broadway. Newth's television credits include Emergency Ward 10, The Six Wives of Henry VIII, Ace of Wands, The Troubleshooters, Z-Cars, Callan, Van der Valk, The Brothers, Softly, Softly, Poldark, Doctor Who (Underworld), Notorious Woman, Secret Army (Barsacq), The Professionals, The Nightmare Man, The Day of the Triffids, Tenko (Colonel Clifford Jefferson), Triangle, Angels, Juliet Bravo, After Henry, The Adventures of Sherlock Holmes ("The Bruce-Partington Plans"), Boon, Bugs, The Bill, Agatha Christie's Poirot (Dumb Witness), Peak Practice and Heartbeat.
The Crown
2016
Into the Unknown
2010
Incognito
1997
Peak Practice
1993
Heartbeat
1992
After Henry
1988
Casualty
1986
Ladies in Charge
1986
Tennis Court
1984
Sherlock Holmes
1984
Champions
1984
Accounts
1983
Spider's Web
1982
Tenko
1981
Juliet Bravo
1980
North Sea Hijack
1980
No Defence
1980
Secret Army
1977
Poldark
1975
Notorious Woman
1974
Yellow Dog
1973
Van der Valk
1972
Play for Today
1970
Ace of Wands
1970
The Suicide Club
1970
ITV Playhouse
1967
Callan
1967
Carry On Spying
1964
Doctor Who
1963





















































