View gallery Image Credit: Todd Williamson/NBC Heidi Gardner has exited Saturday Night Live after eight seasons on the sketch comedy series. The actress' departure came in August 2025 amid a round of other cast members exits, and Heidi has yet to comment on the situation at the time of publication. After eight years on SNL, Heidi was the longest-running female cast member of that cast. So, since her time on the show has come to an end, here's five things you must know about the Leo star here. Like many other SNL alums, Heidi was a member of L.A.