Dan Aykroyd
Sgt. Frank Tree

Ned Beatty
Ward Douglas

John Belushi
Capt. Wild Bill Kelso

Lorraine Gary
Joan Douglas

Murray Hamilton
Claude Crumn

Christopher Lee
Capt. Wolfgang von Kleinschmidt

Tim Matheson
Capt. Loomis Birkhead

Toshirō Mifune
Cmdr. Akiro Mitamura

Warren Oates
Col. 'Madman' Maddox

Robert Stack
Maj. Gen. Joseph W. Stilwell

Treat Williams
Cpl. Chuck 'Stretch' Sitarski

Nancy Allen
Donna Stratton

Lucille Benson
Gas Mama (Eloise)

John Candy
Pvt. Foley

Elisha Cook Jr.
The Patron (Dexter)

Eddie Deezen
Herbie Kazlminsky

Bobby Di Cicco
Wally Stephens

Dianne Kay
Betty Douglas

Perry Lang
Dennis DeSoto

Patti LuPone
Lydia Hedberg

J. Patrick McNamara
Pvt. DuBois

Frank McRae
Pvt. Ogden Johnson Jones

Slim Pickens
Hollis P. Wood

Wendie Jo Sperber
Maxine Dexheimer

Lionel Stander
Angelo Scioli

Dub Taylor
Mr. Malcomb

Iggie Wolfington
Meyer Mishkin

Joe Flaherty
Raoul Lipschitz

David L. Lander
Joe

Michael McKean
Willy

Susan Backlinie
Polar Bear Woman

Don Calfa
Telephone Operator

Gary Carlos Cervantes
Zoot Suiter

Luis Contreras
Zoot Suiter

Brian Frishman
USO Goon

Samuel Fuller
Interceptor Commander

Denise Gallup
Twin

Jerry Hardin
Map Man

Audrey Landers
USO Girl

John Landis
Mizerany

John McKee
Reporter

Dick Miller
Officer Miller

Walter Olkewicz
Hinshaw

Mickey Rourke
Reese

Donovan Scott
Kid Sailor

Kerry Sherman
USO Girl

Hiroshi Shimizu
Ito

Geno Silva
Martinez

Rita Taggart
Reporter

Maureen Teefy
USO Girl

Andy Tennant
Babyface

Jack Thibeau
Stilwell Aide

John Voldstad
USO Nerd

James Caan
Sailor in Fight (uncredited)

Penny Marshall
Miss Fitzroy (uncredited)