Clint Eastwood as Gunnery Sgt. Tom 'Gunny' Highway

Marsha Mason as Aggie

Everett McGill as Major Malcolm A. Powers

Moses Gunn as Staff Sergeant Webster

Mario Van Peebles as Corporal 'Stitch' Jones

Eileen Heckart as Little Mary Jackson

Bo Svenson as Roy Jennings

Boyd Gaines as Lieutenant M.R. Ring

Arlen Dean Snyder as Sergeant Major Choozoo

Vincent Irizarry as Fragetti

Ramón Franco as Private Aponte

Tom Villard as Profile

Begonya Plaza as Private Aponte's Wife

Peter Jason as Major G.F. Devin

Mike Gomez as Private Quinones

Rodney Hill as Private Collins

Peter Koch as 'Swede' Johanson

Richard Venture as Colonel Meyers

J.C. Quinn as Quartermaster Sgt.

John Eames as Judge Zane

Thom Sharp as Emcee

John Gallagher as Emcee

John Hostetter as Reese

Holly Shelton-Foy as Sarita Dwayne

Nicholas Worth as Jail Binger

Timothy Fall as Kid in Jail

Jon Pennell as Jail Crier

Trish Garland as Woman Marine Officer

George Hartmann as Bar Tough Guy

Darwyn Swalve as Bar Tough Guy

Christopher Michael as Marine

Steve Halsey as Bus Driver

Rebecca Perle as Student in Shower

Annie O'Donnell as Telephone Operator

Elizabeth Ruscio as Waitress

Lloyd Nelson as Deputy

Michael Maurer as Bouncer in Bar

Tom Ellison as Marine Corporal

Russell Appling as Dock Marine (uncredited)

Stan Rodarte as Dancer in Bar (uncredited)

Tom Willett as Bus Passenger (uncredited)