James Badge Dale Robert Leckie Actor Joseph Mazzello Eugene Sledge Actor Jon Seda John Basilone Actor Betty Buckley Marion Leckie Guest Star Joshua Close Edward Sledge Guest Star Linda Cropper Mary Frank Sledge Guest Star Caroline Dhavernas Vera Keller Guest Star Ashton Holmes Sidney Phillips Guest Star Brandon Keener Charles Dunworthy Guest Star Rami Malek Merriell "Snafu" Shelton Guest Star Martin McCann R.V. Burgin Guest Star Conor O'Farrell Dr. Sledge Guest Star Annie Parisse Lena Basilone Guest Star Kate Bell Mary Houston Phillips Guest Star Tom Hanks Executive Producer Steven Spielberg Executive Producer Gary Goetzman Executive Producer