Guest Stars Michael Patrick McGill as Tommy Jim Hoffmaster as Kermit Christian Isaiah as Liam Gallagher Scott Michael Campbell as Brad Ruby Modine as Sierra Morton Elliot Fletcher as Trevor Richard Flood as Ford Kellogg Scarlet Spencer as Alexandra "Xan" Galvez Juliette Angelo as Geneva Sammi Hanratty as Kassidi Sharon Lawrence as Margo Laura Cerón as Celia Delgado Chet Hanks as Charlie Stacey Oristano as Trina Tina Ivlev as Freelania Alexeyevich Becca Blackwell as Father Murphy Maggie Wheeler as Fiona's Attorney / Lawyer