'SNL' Announces First 3 Hosts , of Season 48.<br />The 48th season of 'SNL' is set to premiere on Oct. 1. .<br />The long-running sketch-comedy show will begin the season with host and actor Miles Teller.<br />The popular and award-winning actor co-starred in the summer's surprise blockbuster, 'Maverick.' .<br />The 'Top Gun' sequel has become one of the highest-grossing films of all time.<br />Next up as host for 'SNL' is actor Brendan Gleeson.<br />Gleeson can be seen in writer/director <br />Martin McDonagh's newest film, <br />'The Banshees of Inisherin.'.<br />Gleeson is a well-known character actor who recently played former President Donald Trump for Showtime's 'The Comey Rule.'.<br />He hosts the Oct. 8 episode of 'SNL.'.<br />Megan Thee Stallion rounds out the <br />first three hosts of the season.<br />In her debut as host for the series, she will also perform as musical guest.<br />Megan Thee Stallion's newest album, 'Traumazine,' dropped on Aug. 12.<br />'SNL' has been marked by <br />major shake-ups in its regular cast.<br />In addition to the departures of Pete Davidson, <br />Kate McKinnon, Aidy Bryant and Kyle Mooney, .<br />In addition to the departures of Pete Davidson, <br />Kate McKinnon, Aidy Bryant and Kyle Mooney, .<br />In addition to the departures of Pete Davidson, <br />Kate McKinnon, Aidy Bryant and Kyle Mooney, .<br />In addition to the departures of Pete Davidson, <br />Kate McKinnon, Aidy Bryant and Kyle Mooney, .<br />longtime cast member Chris Redd <br />recently announced that he will also be departing the show this season