Alan Arkin
Capt. John Yossarian

Martin Balsam
Col. Cathcart

Richard Benjamin
Maj. Danby

Art Garfunkel
Capt. Nately

Jack Gilford
Dr. "Doc" Daneeka

Buck Henry
Lt. Col. Korn

Bob Newhart
Maj. Major Major

Anthony Perkins
Chaplain Capt. A.T. Tappman

Paula Prentiss
Nurse Duckett

Martin Sheen
1st Lt. Dobbs

Jon Voight
1st Lt. Milo Minderbinder

Orson Welles
Brigadier General Dreedle

Bob Balaban
Capt. Orr

Susanne Benton
Dreedle's WAC

Norman Fell
First Sgt. Towser

Charles Grodin
Captain Aarfy Aardvark

Austin Pendleton
Lt. Col. Moodus

Peter Bonerz
Captain J.S. McWatt

John Brent
Cathcart's Receptionist

Collin Wilcox Paxton
Nurse Cramer

Philip Roth
Doctor

Bruce Kirby
Doctor

Jack Riley
Doctor

Felice Orlandi
Man in Black

Marcel Dalio
Old Man

Evi Maltagliati
Old Woman

Elizabeth Wilson
Mother

Richard Libertini
Brother

Liam Dunn
Father

Olimpia Carlisi
Luciana

Wendy D'Olive
Aarfy's Girl

Gina Rovere
Nately's Whore

Seth Allen
Hungry Joe (Uncreditted)

Anne Caprile
Nately's Whore (french voice)