"I think that unfortunately, the set we were on and the world we were in was pitting us against each other," Gellar said in the new book "Into Every Generation a Slayer Is Born: How Buffy Staked Our Heart" by Evan Ross Katz.
"I was the one that was always working and sometimes I would be resentful of the fact that they didn't have to work all the time," Gellar said.
The actress ultimately said that she has "great" relationships with her former "Buffy" castmates today, and chalked up any on-set tensions to working "really hard hours" and being "young."
Advertisement
"We had ups and downs. Everybody had arguments," Gellar said. "There are times where I wish I could have done things differently, but I didn't know how to handle the stress that I was under."
"I think it would have been different if it was today," she added.
This isn't the first time a former "Buffy" star has spoken out about the working conditions while filming.
"Joss Whedon abused his power on numerous occasions while working on the sets of 'Buffy the Vampire Slayer' and 'Angel,'" Carpenter wrote in part in a statement posted to social media. "While he found his misconduct amusing, it only served to intensify my performance anxiety, disempower me, and alienate me from my peers."
Advertisement
Gellar seemingly responded to Carpenter's claims shortly thereafter, writing in a post on Instagram: "While I am proud to have my name associated with Buffy Summers, I don't want to forever be associated with the name Joss Whedon... I stand with all survivors of abuse and am proud of them for speaking out."
NewsletterSIMPLY PUT - where we join the dots to inform and inspire you. Sign up for a weekly brief collating many news items into one untangled thought delivered straight to your mailbox.