- Country: UK, USA
- Genres: Sci-Fi, Thriller
- Release: 1968-05-15
- Director: Montgomery Tully
- Writers: Charles F. Vetter
- Language: English
- Stars: Kerwin Mathews , Viviane Ventura , Robert Ayres , Peter Arne (1920–1983) , Al Mulock , Martin Benson , Peter Elliott , Earl Cameron , John Brandon , Ed Bishop
- Runtime: 91 min
- Awards: N/A
- AKA: Lupta sub Pamant (Romania) , Batalha nos subterrâneos (Portugal, Portuguese Republic) , Karanlıkta savaş (Turkey) , Battle Beneath the Earth , La batalla bajo la tierra (Spain) , Μάχη στα βάθη της Γης (Greece) , Bitwa pod dnem oceanu (Poland) , Batalha Debaixo da Terra (Brazil) , Подземная битва , Battle Beneath the Earth (United States of America) , Csata a föld alatt (Hungary) , Battle Beneath the Earth (United Kingdom) , Battle Beneath the Earth (Canada) , Guerra bajo la tierra (Mexico) , Guerra bajo la tierra (Colombia) , Slaget under jorden (Denmark) , Ο κρυφός πόλεμος των σαμποτέρ (Greece)
- Plot: A Chinese general goes berserk and has a system of tunnels dug all the way from China to USA, under the Pacific Ocean. The man who has discovered this is locked up because they think he is insane. US Navy soldiers go underground to repel the invaders.
- IMDB:tt0061387
Battle Beneath the Earth Cast · · · ALL
Montgomery Tully
Director
Kerwin Mathews
Cmdr. Jonathan Shaw
Viviane Ventura
Tila Yung
Robert Ayres
Adm. Felix Hillebrand
Peter Arne
(1920–1983)
Arnold Kramer
Al Mulock
Sgt. Marvin Mulberry
Martin Benson
Gen. Chan Lu
Peter Elliott
Dr. Kengh Lee
Earl Cameron
Sgt. Seth Hawkins
John Brandon
Maj. Frank Cannon
Ed Bishop
Lt. Cmdr. Vance Cassidy (as Edward Bishop)
Bill Nagy
Col. Talbot Wilson
Sarah Brackett
Meg Webson
David Spenser
Maj. Chai
Michael McStay
Bomb Train Commander
Carl Jaffe
Dr. Galissi
Norma West
Susan Kramer
Larry Cross
Broadcaster
Bessie Love
(1898–1986)
Matron
Bee Duffell
Matron's Friend
Martin Terry
Mine Foreman
Frank Lieberman
Police
Roy Pattison
Police