Damian Lewis Richard D. Winters Actor Ron Livingston Lewis Nixon Actor Donnie Wahlberg Carwood Lipton Actor Scott Grimes Donald G. Malarkey Actor Peter Youngblood Hills Darrell "Shifty" Powers Actor Shane Taylor Eugene "Doc" Roe Actor Nicholas Aaron Robert E. (Popeye) Wynn Actor Eion Bailey David Kenyon Webster Actor Philip Barantini Wayne A. (Skinny) Sisk Actor George Calil James H. (Mo) Alley Jr. Actor Ben Caplan Walter S. (Smokey) Gordon Jr. Actor Dominic Cooper Allington Guest Star Michael Cudlitz Denver (Bull) Randleman Actor Dale Dye Colonel Robert F. Sink Actor Michael Edmiston Leadman Training Guest Star Michael Fassbender Burton P. (Pat) Christenson Guest Star Dexter Fletcher John W. Martin Guest Star Steven Spielberg Executive Producer Tom Hanks Executive Producer, Writer Erik Jendresen Writer Phil Alden Robinson Writer