Danny DeVito Frank Reynolds Actor Charlie Day Charlie Kelly Actor, Executive Producer Glenn Howerton Dennis Reynolds Actor, Executive Producer Kaitlin Olson Deandra "Sweet Dee" Reynolds Actor Rob McElhenney Mac Actor, Executive Producer Mary Elizabeth Ellis Waitress Guest Star Judy Greer Ingrid "Fatty Magoo" Nelson Guest Star Nick Wechsler Brad Fisher Guest Star Catherine Reitman Maureen Ponderosa Guest Star Sasha Roiz Adriano Calvanese Guest Star Jason Sudeikis Schmitty Guest Star Cormac Bluestone Jimmy Doyle Guest Star Ian Reed Kesler Tim Murphy Guest Star David Hornsby Executive Producer Tom Lofaro Executive Producer Michael Rotenberg Executive Producer Megan Ganz Executive Producer Nick Frenkel Executive Producer Rob Rosell Executive Producer Scott Marder Executive Producer Victor Hsu Executive Producer