Harlaxton Manor has been a favourite place for filming movies and TV series. For example:
Victoria (2017), Second TV series, episode 5
Australian Princess (2005), TV Series, Host Jackie O
The Young Visiters [sic]) (2003), BBC TV Christmas Special, Jim Broadbent, Hugh Laurie, Lyndsey Marshal, Bill Nighy
The Haunting (1999), Liam Neeson, Catherine Zeta-Jones (see 7 mins 30 sec onwards) Trailer
The Lady and the Highwayman (1989), Emma Sams, Oliver Reed (see 17:51)
Treasure Hunt (1988), Anneka Rice
The Dark Angel (1987), Jane Lapotaire, Guy Rolfe
The Last Days of Patton (1986), George C. Scott (In Spanish!)
Little Lord Fauntleroy (1980), Ricky Shroder, Alec Guinness, Eric Porter, Colin Blakely
Fall of Eagles (1974), Curt Jurgens Episode 2 6:03 students were used as extras; Episode 3 5:00; 26:30 onwards
Matushka (1973), Robert Aldous, Michael Deaconk, Lalla Ward
The Ruling Class (1972), Peter O’Toole Trailer