When Dinosaurs Ruled the Earth
“Enter an age of unknown terrors, pagan worship and virgin sacrifice...”
An ancient tribe attempts to sacrifice Sanna as an offering to the Sun god to save their tribe from dinosaurs. Tara, a young man from another tribe, saves Sanna and takes her along with him.
Where to watch When Dinosaurs Ruled the Earth in United States
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Click a service to open When Dinosaurs Ruled the Earth there. Availability last verified on June 20, 2026.
Where is When Dinosaurs Ruled the Earth streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United Kingdom | — | Rakuten TV, Sky Store |
| Canada | — | Apple TV Store, Amazon Video |
| Germany | — | Amazon Video |
| France | — | Apple TV Store, Amazon Video |
| Spain | Amazon Prime Video, Filmin, Amazon Prime Video with Ads | — |
About When Dinosaurs Ruled the Earth
When Dinosaurs Ruled the Earth is a 1970 English-language adventure, fantasy and science fiction film directed by Val Guest. The cast is led by Victoria Vetri, Robin Hawdon, Patrick Allen. It has a runtime of 1h 40m. Viewers rate it 6.1/10 across 100 ratings.
When Dinosaurs Ruled the Earth was produced by Hammer Film Productions and made in United Kingdom. It was released on October 25, 1970, and carries a G certification.
- Director
- Val Guest
- Writers
- Val Guest, J.G. Ballard
- Release date
- October 25, 1970
- Original language
- English
- Age rating
- G
- Status
- Released
- Country
- United Kingdom
- Production
- Hammer Film Productions
When Dinosaurs Ruled the Earth cast & crew
When Dinosaurs Ruled the Earth was directed by Val Guest and written by Val Guest and J.G. Ballard.
The cast features Victoria Vetri as Sanna, Robin Hawdon as Tara, Patrick Allen as Kingsor, Drewe Henley as Khaku, Sean Caffrey as Kane, and Magda Konopka as Ulido.
Behind the camera, the score was composed by Mario Nascimbene, cinematography is by Dick Bush, and it was produced by Aida Young.
Is When Dinosaurs Ruled the Earth worth watching?
When Dinosaurs Ruled the Earth holds an audience score of 6.1/10 from 94 ratings, a solidly received adventure films.
At 1h 40m, it's an easy, time-light watch.
If you enjoy adventure, fantasy, and science fiction, When Dinosaurs Ruled the Earth is worth a place on your watchlist.
How and where to watch When Dinosaurs Ruled the Earth
When Dinosaurs Ruled the Earth isn't currently available on major streaming services in United States. We track availability continuously — add it to your watchlist and we'll keep an eye out.
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Cast of When Dinosaurs Ruled the Earth
Victoria Vetri
Sanna
Robin Hawdon
Tara
Patrick Allen
Kingsor
Drewe Henley
Khaku
Sean Caffrey
Kane
Magda Konopka
Ulido
Imogen Hassall
Ayak
Patrick Holt
Ammon
Jan Rossini
Rock Girl
Carol Hawkins
Yani
Maria O'Brien
Omah
Connie Tilton
Sand Mother
When Dinosaurs Ruled the Earth — FAQs
▸Where can I watch When Dinosaurs Ruled the Earth in United States?
When Dinosaurs Ruled the Earth is not currently available on major streaming services in United States. Availability changes often — check back soon.
▸What language is When Dinosaurs Ruled the Earth in?
When Dinosaurs Ruled the Earth is originally in English. Subtitle and dub options vary by streaming service.
▸How long is When Dinosaurs Ruled the Earth?
When Dinosaurs Ruled the Earth runs 1 hours 40 minutes (100 minutes).
▸What is When Dinosaurs Ruled the Earth rated?
When Dinosaurs Ruled the Earth is rated G. It holds a 6.1/10 audience score from 94 ratings.
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