Jason Isaacs in Harry Potter and the Order of the Phoenix (2007)

Parker Posey, Jason Isaacs, Patrick Schwarzenegger, Sam Nivola, and Sarah Catherine Hook in The White Lotus (2021)

Jason Isaacs and Harriet Walter in Archie (2023)

Jason Isaacs and Laura Aikman in Archie (2023)

Jason Isaacs and Tom Holland in The Crowded Room (2023)

Jason Isaacs and Ellen Thomas in Mrs. Harris Goes to Paris (2022)

Jason Isaacs and Alistair Petrie in Episode 1 (2021)

Jason Isaacs and Dave Chapman in The Dark Crystal: Age of Resistance (2019)

Jason Isaacs, Alice Dinnean, Victor Yerrid, Keegan-Michael Key, Helena Smee, Dave Chapman, and Awkwafina in The Dark Crystal: Age of Resistance (2019)

Steve Buscemi, Michael Palin, Jeffrey Tambor, Jason Isaacs, and Rupert Friend in The Death of Stalin (2017)

Jason Isaacs in Star Trek: Discovery (2017)

Jason Isaacs, Ludivine Sagnier, Jeremy Sumpter, and Rachel Hurd-Wood in Peter Pan (2003)

Ralph Fiennes, Helena Bonham Carter, Robbie Coltrane, Jason Isaacs, Rupert Grint, Matthew Lewis, Daniel Radcliffe, Emma Watson, Bonnie Wright, and Evanna Lynch in Harry Potter and the Order of the Phoenix (2007)

Ralph Fiennes, Helena Bonham Carter, Jason Isaacs, Rupert Grint, Matthew Lewis, Daniel Radcliffe, Emma Watson, Bonnie Wright, and Evanna Lynch in Harry Potter and the Order of the Phoenix (2007)

Helena Bonham Carter, Michael Gambon, Jason Isaacs, Rupert Grint, Matthew Lewis, Daniel Radcliffe, Emma Watson, Bonnie Wright, and Evanna Lynch in Harry Potter and the Order of the Phoenix (2007)

Jason Isaacs and John Thaw in Inspector Morse (1987)

Sharon Gless and Jason Isaacs in The State Within (2006)