Back To The Future star Michael J Fox, who is living with Parkinson's disease, made a surprise appearance at the Baftas to present the best film award.
The 62-year-old actor came onstage in a wheelchair but insisted on standing up at the podium to hand out the prize to Christopher Nolan's Oppenheimer.
Fox received a standing ovation, with many social media users posting that they were in tears seeing him on stage.
He was diagnosed in the 1990s and rarely makes public appearances.
Davis Guggenheim's film, Still: A Michael J Fox Movie, was nominated for best documentary but lost out to 20 Days In Mariupol.
Introducing the Canadian-American actor onto the stage at the Royal Festival Hall in London, Bafta host David Tennant described him as a "true legend of cinema".
When presenting the nominees for best film, Fox described cinema as "magic" which can "change your life".
He said: "Five films were nominated in this category tonight and all five have something in common. They are the best of what we do."
From BBC