Question: who plays the mom in mike and molly
Answer: Molly Flynn - Biggs First appearance `` Pilot '' 1x01 , September 20 , 2010 Last appearance `` I See Love '' 6x13 , May 16 , 2016 Portrayed by Melissa McCarthy Information Gender Female Occupation 4th Grade Schoolteacher ( Prior to Season 1 - Season 4 ) , Writer ( Season 4 - Present ) Family Joyce Flynn - Moranto ( mother ) Mr Flynn ( father ; deceased ) Victoria Flynn ( Younger Sister ) Vince Moranto ( step - father ) Spouse ( s ) Mike Biggs Children William Michael Biggs ( Adopted Son ) Unborn Child ( expecting with Mike ) Relatives Peggy Biggs ( mother - in - law ) Jack Biggs ( father - in - law ) Religion Roman Catholic Nationality American