In this combination photo, Charisma Carpenter, from left, attends the 6th annual Thirst Gala on June 30, 2015 in Beverly Hills, Calif., Sarah Michelle Gellar arrives at Jingle Ball on Dec. 6, 2019, in Inglewood, Calif., and Joss Whedon arrives at the premiere of "Bad Times at the El Royale" on Sept. 22, 2018, in Los Angeles. Whedon, the prominent film and TV creator who faced a claim of abusive behavior on the set of “Justice League,” drew criticism Wednesday, Feb. 10, 2021, from actors who worked with him on “Buffy the Vampire Slayer” including Gellar and Carpenter. Whedon didn’t immediately respond to a request for comment. (AP Photo)
From left: Charisma Carpenter, Sarah Michelle Gellar and Joss Whedon. Whedon drew criticism about his abusive behaviour from actors who worked with him on 'Buffy the Vampire Slayer'. AP Photo

What happened with Joss Whedon of 'Buffy the Vampire Slayer'? Why the show's stars are speaking out against the director