husband Kevin and, later, their twin daughters. Steve Howey as Kevin "Kev" Ball, Veronica’s husband and the owner of a local bar. Emma Kenney as Debbie Gallagher, the strong-willed youngest Gallagher daughter, who has a child at age 15. She later comes out as a lesbian. Jeremy Allen White as Philip "Lip" Gallagher, the eldest Gallagher son, who is highly intelligent but struggles with addiction. He has a child with Tami in season 10 named Fred. Cameron Monaghan as Ian Gallagher, the most strong-hearted, persistent, and goofy brother/cousin of the Gallaghers, who is the result of an affair between Monica and Frank’s brother. He is gay and engages in an on-and-off relationship with Mickey. Noel Fisher as Mickey Milkovich, a violent and erratic member of the Milkovich family, who are neighbors of the Gallaghers. He is Ian’s main love interest and eventually becomes estranged from his family due to their homophobic attitudes. (seasons 3–5, 10–11; recurring seasons 1–2, 7; special guest seasons 6 and 9) Joan Cusack as Sheila Jackson, mother to Karen and love interest to Frank for the first 5 seasons. She is a sex addict and suffers from agoraphobia. (seasons 1–5) Laura Slade Wiggins as Karen Jackson, Sheila’s rebellious daughter and an early love interest for Lip. (seasons 1–2; recurring season 3) Zach McGowan as Jody Silverman, Karen's husband and adoptive father to her son, who later becomes a love interest to Sheila. (season 3; recurring season 2) Emma Greenwell as Mandy Milkovich, the sister of Mickey and love interest of Lip, who eventually leaves to escape her physically abusive husband. (seasons 3–4; recurring season 2; special guest seasons 5–6) (Jane Levy played Mandy for six episodes of season 1) Jake McDorman as Mike Pratt, Fiona’s boss and love interest. (season 4; recurring season 3) Emily Bergl as Sammi Slott, the unstable and manipulative elder half-sister of the Gallaghers, who is revealed in season 4 to be a product of a teen romance of Frank's. (season 5; recurring season 4) Isidora Goreshter as Svetlana Yevgenivna, a Russian émigré who is Mickey's wife and the mother of his child. She later divorces him and engages in a throuple with Kevin and Veronica while working at their bar. (seasons 7–8; guest season 3; recurring seasons 4–6) Richard Flood as Ford Kellogg, an Irish carpenter and love interest to Fiona. (season 9; recurring season 8) Christian Isaiah as Liam Gallagher,