Gammera the Invincible poster
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Gammera the Invincible

5.119661h 26mMovieHorrorScience FictionAction

An atomic explosion awakens Gammera, a giant fire breathing turtle monster from his millions of years of hibernation.

DirectorsSandy Howard·Noriaki Yuasa
WritersRichard Kraft·Nisan Takahashi
ProducersKen Barnett·Yonejirô Saitô

Where to watch

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Availability shown for United States · rights vary by country

Cast · Directed by Sandy Howard

ADAlbert Dekker
Albert Dekker
Secretary of Defense
BDBrian Donlevy
Brian Donlevy
Gen. Terry Arnold
DFDiane Findlay
Diane Findlay
Sgt. Susan Embers
JBJohn Baragrey
John Baragrey
Capt. Lovell
DODick O'Neill
Dick O'Neill
Gen. O'Neill
MM
Mort Marshall
Jules Manning
AOAlan Oppenheimer
Alan Oppenheimer
Dr. Contrare
SZ
Steve Zacharias
Sen. Billings
TS
Thomas Stubblefield
J.T. Standish
GB
Gene Bua
Lt. Clark
BC
Bob Carraway
Lt. Simpson
JMJohn McCurry
John McCurry
A1C Hopkins

More from Albert Dekker · Lead actor

Mission: Impossible
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1966 · 7.6
Studio One
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1948 · 5.4
Climax!
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Naked City
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1958 · 5.7
Rawhide
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Route 66
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The Defenders
The Defenders
1961 · 6.3
Run for Your Life
Run for Your Life
1965 · 7.1
Kraft Suspense Theatre
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1963 · 6.5
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1964 · 7.2
See all fromAlbert Dekker

More from Brian Donlevy · Co-star actor

Perry Mason
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1957 · 7.7
Robert Montgomery Presents
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1950 · 6.0
Studio One
Studio One
1948 · 5.4
Climax!
Climax!
1954 · 3.8
Dick Powell's Zane Grey Theatre
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1956 · 6.2
Rawhide
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1959 · 7.3
Family Affair
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1966 · 6.7
The Texan
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1958 · 6.0
The DuPont Show with June Allyson
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1959 · 6.8
Lux Video Theatre
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1950 · 6.7
See all fromBrian Donlevy

More from Sandy Howard · Director

Police Station
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· 7.0
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1960 · 4.2
Diary of a Bachelor
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1964 · 4.8
One Step to Hell
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1968 · 7.5
See all fromSandy Howard

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Gammera the Invincible — streaming FAQ

Which OTT platform streams Gammera the Invincible?

Gammera the Invincible is streaming on FlixFling, Artiflix and Hoopla in United States, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is Gammera the Invincible on Netflix?

No, Gammera the Invincible is not on Netflix in United States as of November 2026. It's currently on FlixFling and Artiflix.

Is Gammera the Invincible on Amazon Prime Video?

Gammera the Invincible isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch Gammera the Invincible for free?

Gammera the Invincible is available to stream free (with ads) on Hoopla and Fawesome in United States.