. During day three of ATX TV's virtual festival, the sitcom's co-creator expressed regret over not diversifying the series, which ran from 1994 to 2004 and starred Jennifer Aniston, Courteney Cox, Lisa Kudrow, Matt LeBlanc, Matthew Perry and David Schwimmer.«I wish I knew then what I know today,» she said, before apologizing for getting emotional. «Sorry. I just wish I knew then what I know now.