Paul Abbott Creator William H. Macy Frank Gallagher Actor Emmy Rossum Fiona Gallagher Actor Ethan Cutkosky Carl Gallagher Actor Shanola Hampton Veronica Actor Steve Howey Kev Actor Emma Kenney Debbie Gallagher Actor Cameron Monaghan Ian Gallagher Actor Jeremy Allen White Lip Gallagher Actor Isidora Goreshter Svetlana Actor Chloe Webb Monica Gallagher Guest Star John Aylward Bill Guest Star Scott Michael Campbell Brad Guest Star Elliot Fletcher Trevor Guest Star Kerri Kenney Constance Grace Guest Star Ruby Modine Sierra Guest Star Zack Pearlman Neil Guest Star