Overview

• Gatwa formally stepped down as the Fifteenth Doctor after two series, regenerating into Billie Piper’s incarnation in mid-2025.
• He described the part as physically, emotionally and mentally demanding, admitting his “knees are telling me it’s time.”
• The actor revealed his biggest regret was never facing classic villains like Daleks or Cybermen on screen.
• Pressed on a comeback, Gatwa said “never say never,” teasing he would return only if granted a showdown with those iconic adversaries.
• Billie Piper, who first appeared as companion Rose Tyler in 2005, has been confirmed as Gatwa’s successor under Doctor Who’s regeneration tradition.