Melissa McCarthy (Kathy), Tiffany Haddish (Ruby O'Carroll), Elisabeth Moss (Claire Walsh), Domhnall Gleeson (Gabriel O'Malley), Common (Gary Silver), Margo Martindale (Helen O'Carroll), Bill Camp (Alfonso Coretti) more..., Brian d'Arcy James (Jimmy Brennan), James Badge Dale (Kevin O'Carroll), Alicia Coppola (Maria Coretti), Jeremy Bobb (Rob Walsh), Stephen Singer (Herb Kanfer), Wayne Duvall (Larry), Pamela Dunlap (Mary), Annabella Sciorra (Maria Coretti), Will Swenson (Michael Mariano), John Sharian (Duffy), Brian Tarantina (Burns), Myk Watford (Little Jackie Quinn), E.J. Bonilla (Gonzalo Martinez), Bernie McInerney (Paul Hogan), Sharon Washington (Estelle), Matthew Helms (Colin), Angus O'Brien (Mark Williams), Ciarán O'Reilly (Owen Gibson), Nicholas Zoto (Peter Brennan), Maren Heary (Jennifer Brennan), Tatienne Hendricks-Tellefsen (Rachel Kanfer), Jordan Gelber (Chaim), Brandon Uranowitz (Shmuli Chudakoff), Susan Blommaert (Mrs. Sullivan), George Riddle (Mr. Sullivan)

Andrea Berloff (Writer), Ollie Masters (Novel), Michael De Luca (Producer), Maryse Alberti (Director of Photography), Christopher Tellefsen (Editor), Shane Valentino (Production Design), Marcus Viscidi (Producer) more..., Sarah Edwards (Costume Design), Richard Brener (Executive Producer), Jason Cloth (Executive Producer), Michael Disco (Executive Producer), Dave Neustadter (Executive Producer), Aaron L. Gilbert (Executive Producer), Elishia Holmes (Executive Producer), Adam Schlagman (Executive Producer), Bryce Dessner (Original Music Composer), Ernesto Solo (Art Direction), Ming Doyle (Novel), Drew Jiritano (Special Effects Coordinator), Andrew Mortelliti (Special Effects),