Guest actors appearing in
WORLD WAR III who have previously appeared in the show:
- Billie Piper (Rose Tyler)
- David Verrey (Joseph Green)
- Camille Coduri (Jackie Tyler)
- Penelope Wilton (Harriet Jones)
- Noel Clarke (Mickey Smith)
- Rupert Vansmittart (Asquith)
- Andrew Marr (Himself)
- Annette Badland (Margaret Blaine)
- Steve Spiers (Strickland)
- Tom Hitchinson (Jack Tarlton)
- Lachele Carl (Trinity Wells)
- Corey Doable (Spray Painter)
Who: Before And After #954 / Nu-Who #23
Name: Morgan Hopkins [? - ]
Year(s): Doctor Who: 2005
Stories: World War III
Character(s): Sergeant Price
Year(s): Torchwood: 2008
Stories: Something Borrowed
Character(s): Mervyn
Before Who:
Films: My Pretty Valley (1993), Ymadawiad Arthur (1994), Taliesin Jones (2000), Very Annie Mary (2001), Happy Now (2001)
Television: A Mind to Kill: Gameboys (1994) / Bride of War (1997) / Bobinogs [98 episodes, as Additional Voices (2003-2006)] / Murphy's Law: The Group (2004) / Chosen (2004)
After Who:
Films: Teulu Ty Crwn (2012), La Cha Cha (2021)
Television: The Story of Tracy Beaker [3 episodes as Steve (2006)] / iNOODS: The Fall of ManDog Trip (2012) / Hinterland: Aftermath (2016) / Keeping Faith [2 episodes as Gareth Taxi (2017-2019)] / Gwaith/Cartref [10 episodes as Gwyn Wilde (2018)] / Y Golau [6 episodes as Dai (2022)]