- Henry Fonda
- Lt. Col. Kiley
- Robert Shaw
- Col. Hessler
- Robert Ryan
- Gen. Grey
- Dana Andrews
- Col. Pritchard
- George Montgomery
- Sgt. Duquesne
- Ty Hardin
- Schumacher
- Pier Angeli
- Louise
- Barbara Werle
- Elena
- Charles Bronson
- Wolenski
- Hans Christian Blech
- Conrad
- Werner Peters
- Gen. Kohler
- James MacArthur
- Lt. Weaver
- Karl-Otto Alberty
- Von Diepel
- Telly Savalas
- Sgt. Guffy
- Steve Rowland
- Eddy
- Robert Woods
- Joe - Kiley's Pilot
- Charles Stalmaker
- Maj. Burke
- David Thomson
- Barrel Guffy's First Crew
- Sebastian Cavalieri
- US Straggler who Finds Weaver
- Raoul Perez
- Panzer Officer Preparing to To Tow Tank
- Jack Gaskins
- Kiley's 1st Driver
- Janet Brandt
- Mother Superior
- Max Slaten
- Boy's Father in Ambleve
- Carl Rapp
- American MP Lieutenant
- Axel Anderson
- Officer
- Bud Strait
- Soldier Retreating in Ambleve
- Donald Pickering
- Red River 6 with Radio Set
- Ben Tatar
- General Gray's Officer with Radio
- Richard Ziedman
- Kiley's Driver with Glasses
- Paul Eslheman
- (as Paul Eshelman)
- Victor Brandt
- Soldier Retreating in Ambleve
- Richard Baxter
- Sergeant Who Tells Guffy To Wait for Fuel Truck
- John Clark
- American Tank Sgt Our River Bridge
- Freddie Toehl
- Singing Panzer Leutnant
- Quinn Donoghue
- Nun #2
- Reginald Gillam
- Panzer Officer Who Arrests Boy at Ambleve
- Robert Royal
- Air Corps Soldier in Ambleve
- Russ Stoddard
- Boy in Ambleve
- William Conrad
- Narrator
- Robert Rietty
- Announcer
- Joe Zboran
- German Tank Commander in Flames
