Shameless stars Oscar nominee and Emmy winner William H. Macy as Frank Gallagher and Golden Globe nominee Emmy Rossum as his daughter, Fiona.
The series also stars Jeremy Allen White, Ethan Cutkosky, Shanola Hampton, Steve Howey, Emma Kenney, Cameron Monaghan and Isidora Goreshter.
Shameless is executive produced by John Wells, Nancy M. Pimental, Christopher Chulack, Krista Vernoff, Etan Frankel and Sheila Callaghan.
Showtime has released the new poster art and official Shameless Season 7 trailer for its No. 1 comedy series, premiering on Sunday, October 2 at 9 p.m. ET/PT.