<Li> Holly Curran as Penny Pann, Joel's former secretary and girlfriend . </Li> <Li> Cynthia Darlow as Mrs. Moskowitz, Joel's secretary and Penny's replacement . </Li> <Li> Luke Kirby as Lenny Bruce, a well - known New York City comedian . </Li> <Li> Kevin Pollak as Moishe Maisel, Joel's father . </Li>

Who plays lenny bruce in the marvelous mrs maisel