Who: Before And After #1407a / Nu-Who #466a
Name: Ben Presley [? - ]
Year(s): 2017
Stories: Knock Knock
Character(s): Paul
Before Who:
Films: What We Did on Our Holiday (2014), Ashes (2015)
Television: Outnumbered: The Exchange Student (2011) /
Galavant* [14 episodes as the Jester (2015–2016)] /
After Who:
Films: None
Television: Float [5 episodes as Steve (2021)]
Who: Before And After #1407b / Nu-Who #466b
Name: Colin Ryan [1986 - ]
Year(s): 2017
Stories: Knock Knock
Character(s): Harry Sullivan
Note(s): In an interview with DWM, the writer of the story (Mike Bartlett) stated that Harry was intended to be the grandson of Fourth Doctor companion Harry Sullivan, but the reference was cut.
Before Who:
Films: Macbeth (2014), GadgetGang in Outer Space [voice only] (2017)
Television: Shelfstackers: Pilot (2010) / Hounded [13 episodes as Barry / Buck (2010)] / Leonardo [26 episodes as Lorenzo De Medici (2011–2012)]
After Who:
Films: Finding Akira (2017)
Television: Shakespeare & Hathaway - Private Investigators: Outrageous Fortune (2019) / Ghost Seeker: Montague School For Boys (2020) / Death in Paradise: Somewhere In Time (2021) / Boundless [6 episodes as Enrique (2022)]
Who: Before And After #1407c / Nu-Who #466c
Name: Bart Suavek [? - ]
Year(s): 2017
Stories: Knock Knock
Character(s): Pavel
Before Who:
Films: Nazi Death Camp: The Great Escape (2014)
Television: New Blood [2 episodes as Adam Jannsen (2016)] / No Offence [2 episodes as Pavel (2017)]
After Who:
Films: None
Television: C.B. Strike: Lethal White (2020) / Doctors: Ring Fenced (2023)
Who: Before And After #1407d / Nu-Who #466d
Name: Sam Benjamin [? - ]
Year(s): 2017
Stories: Knock Knock
Character(s): Estate Agent
Note(s): Appeared in a number of Big Finish Productions audio adventures:
- In the 'Fourth Doctor Adventures' story 'The Ghost of Margaret'
- In the 'Tenth Doctor and River Song' story 'Ghosts'
- In the 'Third Doctor Adventures' story 'The Unzal Incursion'
- In the 'Diary of River Song' story 'A Brave New World'
Before Who:
Films: Implementation (2012), No Point (2014), The Smoke (2014), Residue (2015)
Television: Andy McNab's Tour of Duty: Ambush (2008) / Doctors: Teenage Kicks (2011) / Old Jack's Boat: The Christmas Quest (2013) / The Crimson Field (2014) / Residue [3 episodes as Stevie (2015)] / Hot Pepper: Missing Jollof (2015) / Fresh Meat (2016) / Peaky Blinders (2016) / The Few [5 episodes as Steve Douglas (2016)] / Lucky Man: Playing With Fire (2017)
After Who:
Films: Justice League (2017), Welcome to Curiosity (2018), I Am Vengeance: Retaliation (2020), Anthony (2020), Zack Snyder's Justice League (2021), The Pay Day (2022)
Television: The War of the Worlds: Revolution (2019) / The Show Must Go Online: Will Shakespeare's Star Wars [as Han Solo] (2020)
Who: Before And After #1407e / Nu-Who #466e
Name: Tate Pitchie-Cooper [? - ]
Year(s): 2017
Stories: Knock Knock
Character(s): Young Landlord
Before Who:
Films: None
Television: None
After Who:
Films: Murder on the Orient Express (2017)
Television: The Alienist [3 episodes as Fatima (2018)]