Guest Stars Lance Barber as Bill Ponderosa Jimmi Simpson as Liam McPoyle Nate Mooney as Ryan McPoyle Catherine Reitman as Maureen Ponderosa Thesy Surface as Margaret McPoyle Guillermo del Toro as Pappy McPoyle Jeremy Ratchford as Detective Sianoa Smit-McPhee as Bridesmaid Co Starring Gerald Webb as Another Detective
