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Hello Down There

5.919691h 28mGMovieComedyMusicScience Fiction

Given the chance to live in a simulated underwater home for a month, a scientist convinces his family to take advantage of the offer. Once the family agrees to move in, underwater mayhem occurs!

DirectorJack Arnold
WritersFrank Telford·John McGreevey
ProducersIvan Tors·George Sherman

Where to watch

HooplaHoopla
Availability shown for United States · rights vary by country

Cast · Directed by Jack Arnold

TRTony Randall
Tony Randall
Fred Miller
JLJanet Leigh
Janet Leigh
Vivian Miller
KBKen Berry
Ken Berry
Mel Cheever
RMRoddy McDowall
Roddy McDowall
Nate Ashbury
CRCharlotte Rae
Charlotte Rae
Myrtle Ruth
RDRichard Dreyfuss
Richard Dreyfuss
Harold Webster
JBJim Backus
Jim Backus
T.R. Hollister
KC
Kay Cole
Lorrie Miller
LWLou Wagner
Lou Wagner
Marvin Webster
GT
Gary Tigerman
Tommie Miller
ASArnold Stang
Arnold Stang
Jonah
BGBruce Gordon
Bruce Gordon
Adm. Sheridan

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More from Janet Leigh · Co-star actress

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More from Jack Arnold · Director

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Hello Down There — streaming FAQ

Which OTT platform streams Hello Down There?

Hello Down There is streaming on Hoopla in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.

Is Hello Down There on Netflix?

No, Hello Down There is not on Netflix in United States as of September 2026. It's currently on Hoopla.

Is Hello Down There on Amazon Prime Video?

Hello Down There 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 Hello Down There for free?

Hello Down There is available to stream free (with ads) on Hoopla in United States.