• David Tennant

    David Tennant

    Tennant played Barty Crouch Jr. in Harry Potter and the Goblet of Fire and the Tenth Doctor.

  • Michael Gambon

    Michael Gambon

    Gambon played Albus Dumbledore in the Harry Potter films, and both Kazran & Elliot Sardick in the Doctor Who episode A Christmas Carol.

  • Helen McCrory

    Helen McCrory

    McCrory played Narcissa Malfoy in the Harry Potter films, and a Saturnynian queen named Rosanna Calvierri in the Doctor Who epsiode The Vampires of Venice.

  • John Cleese

    John Cleese

    Cleese played Nearly Headless Nick in the Harry Potter films and has a small cameo in a Doctor Who episode titled City of Death.

  • Zoë Wanamaker

    Zoë Wanamaker

    Wanamaker played Rolanda Hooch in the Harry Potter films, and the last living human named Lady Cassandra in several episodes of Doctor Who.

  • Jim Broadbent

    Jim Broadbent

    Broadbent played Horace Slughorn in the Harry Potter films, and played a possible future version of the eight doctor in the episode The Curse of Fatal Death.

  • Toby Jones

    Toby Jones

    Jones voiced the character of Dobby the House elf in the Harry Potter films, and played the Dream Lord in the Doctor Who episode Amy’s Choice.

  • Bill Nighy

    Bill Nighy

    Nighy played Rufus Scrimgeour in the Harry Potter films, and has a cameo as Vincent van Gogh expert in the Doctor Who episode Vincent and the Doctor (which will make you cry if you ever watch it).

  • Roger Lloyd Pack

    Roger Lloyd Pack

    Pack played Barty Crouch Sr. in the Harry Potter films, and played the creator of the Cybermen, John Lumic, in Doctor Who.

  • Shirley Henderson

    Shirley Henderson

    Henderson played Moaning Myrtle in the Harry Potter films, and played Ursula Blake in the Doctor Who episode Love & Monsters, where she had her face fused with a slab of pavement by The Doctor.

  • Adrian Rawlins

    Adrian Rawlins

    Rawlins played Harry Potter’s father, James, in the films and played the leader of the Ood rebellion in the Doctor Who episode Planet of the Ood.

  • David Bradley

    David Bradley

    Bradley played Argus Filch in the Harry Potter films, and voiced the vulture humanoids known as the Shansheeth in Doctor Who.

  • Derek Deadman

    Derek Deadman

    Deadman played Tom the Innkeeper in Harry Potter and the Sorcerer’s Stone (he was later replaced by Jim Tavaré) and played a Commander in the Sontaran Special Space Service named Stor in a 1978 episode of Doctor Who.

  • Elizabeth Spriggs

    Elizabeth Spriggs

    Spriggs played the portrait of the fat lady guarding Gryffindor Tower in the Harry Potter films, and appeared in a 1987 episode of Doctor Who (where she is strangled by a cleaning device controlled by aliens.)

  • Jeff Rawle

    Jeff Rawle

    Rawle plays Amos Diggory in Harry Potter and the Goblet of Fire (father to Cedric Diggory), and played Plantagenet in a 1984 episode of Doctor Who titled Frontios.

  • Jessica Hynes

    Jessica Hynes

    Hynes provided the voice for Mafilda Hopkirk in the Harry Potter films before the character appeared in Harry Potter and the Order of the Phoenix, where she was played by Sophie Thompson. In Doctor Who, she played three separate related characters who The Doctor meets at various points in time.

  • Jimmy Gardner

    Jimmy Gardner

    Gardner played the driver of the Knight Bus in Harry Potter and the Prisoner of Azkaban and played an alien named Idmon in a 1978 episode of Doctor Who.

  • John Atterbury

    John Atterbury

    Atterbury played the portraits of Phineas Nigellus Black in the Harry Potter films, and did some costume acting for several episodes of Doctor Who in the 1960s.

  • Julian Glover

    Julian Glover

    Glover provided the voice for Aragog in the Harry Potter films, and played both Richard the Lionheart in a 1965 episode of Doctor Who as well as an alien named Scaroth in a 1979 episode.

  • Terence Bayler

    Terence Bayler

    Bayler plays the ghost and portrait of the Bloody Baron in the Harry Potter films, and appears as an alien named Yendom in an episode of Doctor Who from 1966.

  • Other Connections:

  • The actor that plays Dudley in the Harry Potter films, Harry Melling, is actually the grandson of...

    The actor that plays Dudley in the Harry Potter films, Harry Melling, is actually the grandson of Patrick Troughton, who played the second doctor.

  • Alfie Enoch, who plays Dean Thomas in the Harry Potter films is the son of William Russell, who p...

    Alfie Enoch, who plays Dean Thomas in the Harry Potter films is the son of William Russell, who played Ian Chesterton, one of The Doctor’s first companions.