Martin Sheen as Eddie Slovik

Mariclare Costello as Antoinette Slovik

Ned Beatty as Father Stafford

Gary Busey as Jimmy Feedek

Matt Clark as Dunn

Ben Hammer as Lt. Col. Leacock

Warren J. Kemmerling as Maj. Fellman

Charles Haid as Brockmeyer

Kathryn Grody as Margaret

Paul Lambert as Joe Sirelli

Jon Cedar as Holloway

Joe George as 109th Regiment Sergeant

Laurence Haddon as Piper

James Burr Johnson as NCO

Tom Ligon as Childs

Bill McKinney as Sergeant

Paul Shenar as Crawford

George Sperdakos as Sgt. McCord

William Traylor as Rossiter

Sandy Ward as Enhardt

Fred Sadoff as Lt. Kramer

Marc Alaimo as Soldier (uncredited)

Ian De Voy as Rifleman (uncredited)

Lin McCarthy as Presiding Officer (uncredited)

Charlie Sheen as Kid at Wedding (uncredited)