Credits include: Howards End, The Beekeeper, Love & Friendship, The Acid House and Lassie

David Tennant was born David John McDonald in Scotland, to a father who was a Presbyterian minister. Brought up in Bathgate, he attended Paisley Grammar school and was first noticed by Scottish television at a Saturday youth club he attended. He trained at the Royal Scottish Academy of Music and Drama. In 2005, David was cast to play the role of the Doctor in the BBC's new series of "Doctor Who" alongside Billie Piper, after Christopher Eccleston decided to leave.

Neil Patrick Harris is an American actor, singer, director and magician. Prominent roles of his career include the title role in Doogie Howser, M.D., Colonel Carl Jenkins in Starship Troopers, the womanizing Barney Stinson in How I Met Your Mother, a fictionalized version of himself in the Harold & Kumar series, and the title role in Joss Whedon's musical web series Dr. Horrible's Sing-Along Blog. He hosted the 63rd Tony Awards on June 7, 2009, and the 61st Primetime Emmy Awards...(Wikipedia)

Credits include: Doctor Who, Gulliver's Travels, Starter for Ten, Monte Carlo and Love and Other Disasters

Credits include: Bugsy Malone, The Giggle, 42nd Street: The Musical, The Reality War and The Legend of Ruby Sunday

Credits include: Vita and Virginia, Burn Burn Burn and The Giggle

Credits include: The Runaway Bride, The End of Time: Part One, The Giggle, Partners in Crime and The Sontaran Stratagem

The actor was born in 1992 in Edinburgh, Scotland, United Kingdom. Therefore, Ncuti Gatwa’s age is 26 years old, as of 2018. His father and mother are originally from Rwanda

Credits include: Years and Years, The Giggle, Wish World, The Reality War and Lucky Day

Credits include: Heartstopper, The Giggle, The Legend of Ruby Sunday, Empire of Death and LifeHack

Credits include: The Giggle, Culprits, This Is Our Exit, A Forest and Road Trip