Guest Stars Shane Taylor as Eugene G. Roe Peter Youngblood Hills as Darrell C. (Shifty) Powers Ross McCall as Joseph D. Liebgott Dexter Fletcher as John W. Martin Philip Barantini as Wayne A. (Skinny) Sisk Nicholas Aaron as Robert E. (Popeye) Wynn Rick Warden as Harry F. Welsh Doug Allen as Alton M. More Nolan Hemmings as Charles E. (Chuck) Grant George Calil as James H. (Mo) Alley, Jr. Robin Laing as Edward J. (Babe) Heffron Michael Fassbender as Burton P. (Pat) Christenson Matthew Leitch as Floyd M. (Tab) Talbert Tom Hardy as John A. Janovec Corey Johnson as Major Louis Kent Matt Hickey as Patrick S. O'Keefe David Andrews as General Elbridge G. Chapman Jonjo O'Neill as Replacement One Jason Done as Drunk G.I. Paul Herzberg as German Doctor at Checkpoint Milo Twomey as Army Doctor Wolf Kahler as German General Dan van Husen as Alleged Commandant Philip Rham as German Colonel Rupert Wickham as Brain Surgeon Dirk Galuba as German MP Maxwell Hutcheon as German Waiter Joe Villa as 2nd Replacement