Liev Schreiber
as Raymond "Ray" Donovan
Jon Voight
as Mickey Donovan
Eddie Marsan
as Terrence "Terry" Donovan
Kerris Dorsey
as Bridget Donovan
Dash Mihok
as Brendan "Bunchy" Donovan
Pooch Hall
as Daryll Donovan
Katherine Moennig
as Lena Burnham
Paula Malcomson
as Abby Donovan
Devon Bagby
as Conor Donovan
Steven Bauer
as Avi Rudin
Graham Rogers
as Jacob "Smitty" Smith
Susan Sarandon
as Samantha "Sam" Winslow
Kerry Condon
as Molly Sullivan