Captain Newman, M.D.

Gregory Peck

as Capt. Josiah "Joe" Newman, MD

Robert Duvall

as Capt. Paul Cabot Winston

Tony Curtis

as Cpl. Jackson "Jake" Leibowitz

Angie Dickinson

as Lt. Francie Corum

Gregory Walcott

as Capt. Howard

James Gregory

as Col. Edgar Pyser

Crahan Denton

as Maj. Gen. Snowden

Bobby Darin

as Cpl. Jim Tomkins

Vito Scotti

as Maj. Alfredo Fortuno

Ann Doran

as Mrs. Pyser (uncredited)