Janet Claire Mahoney (born 9 September 1953), known professionally as Janet Fielding, is an Australian actress best known for her role as Tegan Jovanka in the British television series Doctor Who. She was a regular cast member from 1981 to 1984, alongside both Tom Baker and Peter Davison, and reprised the role some times in subsequent decades, both on Doctor Who and its spin-off audiodramas from Big Finish Productions.

Filmography

• 2025Doctor Who: The Fifth Doctor vs. The Daleks — Tegan Jovanka
• 2023Doctor Who: The Passenger — Tegan Jovanka
• Tales of the Tardis — Tegan Jovanka
• 2018Earthshocked
• 2015Longleat '83: The Lost Footage
• 2011Come in Number Five
• 2011Snake Charmer: The Making of 'Snakedance'
• 2010Doctor Who: Meanwhile in the TARDIS: Part 2 — Tegan Jovanka (archive footage)
• 2009The Perfect Scenario: Lost Frontiers
• 2009The Perfect Scenario: The End of Dreams
• 2008Celebration: Doctor Who in 1983
• 2008Five Doctors, One Studio
• 2008The Ties That Bind Us — Tegan (archive footage)
• 2007Mouth on Legs
• 1986The PanoptiCon Tapes VI
• 1985A Fix with Sontarans — Tegan Jovanka
• 1984Doctor Who: Frontios — Tegan Jovanka
• 1984Doctor Who: Resurrection of the Daleks — Tegan Jovanka
• 1984Doctor Who: The Awakening — Tegan Jovanka
• 1984Doctor Who: The Caves of Androzani — Tegan Jovanka
• 1984Doctor Who: Warriors of the Deep — Tegan Jovanka
• 1983Doctor Who: Arc of Infinity — Tegan Jovanka
• 1983Doctor Who: Enlightenment — Tegan Jovanka
• 1983Doctor Who: Mawdryn Undead — Tegan Jovanka
• 1983Doctor Who: Snakedance — Tegan Jovanka
• 1983Doctor Who: Terminus — Tegan Jovanka
• 1983Doctor Who: The Five Doctors — Tegan Jovanka
• 1983Doctor Who: The King's Demons — Tegan Jovanka
• 1982Doctor Who: Black Orchid — Tegan Jovanka
• 1982Doctor Who: Castrovalva — Tegan Jovanka
• 1982Doctor Who: Earthshock — Tegan
• 1982Doctor Who: Four to Doomsday — Tegan Jovanka
• 1982Doctor Who: Kinda — Tegan Jovanka
• 1982Doctor Who: The Visitation — Tegan Jovanka
• 1982Doctor Who: Time-Flight — Tegan Jovanka
• 1981Doctor Who: Logopolis — Tegan Jovanka
• Hammer House of Horror — Secretary
• Minder — Janice
• Shelley
• Jim'll Fix It — Tegan Jovanka
• Pebble Mill at One
• Doctor Who — Tegan Jovanka

Appearances as themselves (16)

• 2023Making 'The Passenger' — Self
• 2020The Doctors: The Peter Davison Years — Self (archive footage)
• 2019Hanging by a Thread: The Making of Logopolis — Self
• 2019Showman: The Life of John Nathan-Turner — Herself
• 2019The Doctor Who Cookbook Revisited — Self
• Doctor Who: Behind the Sofa — Self
• 2018Doctor Who: Jovanka Airlines — Self
• 2018Peter Davison: In Conversation — Self
• 2015Doctor Who: The Television Centre of the Universe — Self
• Myth Makers — Herself
• 2014Doctor Who: The Ultimate Companion — Self / Tegan Jovanka (archive footage)
• 2013Doctor Who Live: The Next Doctor — Self
• 2013The Five(ish) Doctors Reboot — Self
• 2012Tales of Television Centre — Self
• 2011Peter Grimwade: Directing with Attitude... — Self
• 1987Myth Runner — Herself