Complex sentence: Heidi Gardner of The Groundlings, iO Chicago alum Luke Null, and actor/writer Chris Redd, who had been incorrectly reported as joining the cast during the previous season.
Split into simpler sentences: Heidi Gardner of The Groundlings, iO Chicago alum Luke Null, and actor/writer Chris Redd. Redd had been incorrectly reported as joining the cast during the previous season.