William H. Macy Frank Gallagher Actor Emmy Rossum Fiona Gallagher Actor Ethan Cutkosky Carl Gallagher Actor Cameron Monaghan Ian Gallagher Actor Emma Kenney Debbie Gallagher Actor Joan Cusack Sheila Actor Laura Wiggins Karen Jackson Actor Justin Chatwin Steve Guest Star Shanola Hampton Veronica Fisher Guest Star Steve Howey Kevin Ball Guest Star Jeremy Allen White Lip Gallagher Guest Star Dennis Boutsikaris Professor Hearst Guest Star Noel Fisher Mickey Milkovich Guest Star Brent Jennings Principal Monroe Guest Star Robert Knepper Rod Guest Star John Dahl Director Mike O'Malley Writer