User blog comment:NaturalFreshOtter00/If the Theory Animated used Los Angeles voice actors.../@comment-5932670-20190102165802/@comment-3969350-20190102180205

Maybe this would give you more of an idea on LA voice actors/actresses (this is just an example, though): https://www.behindthevoiceactors.com/forums/showthread.php?t=6549&page=6