Not just Cordelia...
Joss Whedon Was Forbidden From Being Alone With Michelle Trachtenberg on the Buffy Set
Buffy the Vampire Slayer actor Michelle Trachtenberg expanded on her statement about Joss Whedon's on-set abuse, citing a disturbing production rule.
https://www.cbr.com/joss-whedon-buffy-forbidden-alone-with-michelle-trachtenberg/Apparently something he did toward the then underage actress resulted in this rule
