On the Threshold of Space poster
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On the Threshold of Space

6.019561h 38mNRMovieDrama

In the early stages of the space program, Capt. Jim Hollenbeck undergoes any experiment needed to ensure success in the new Air Force branch -- even though he's not required to be a subject in the tests. Always remaining a constant source…

DirectorRobert D. Webb
WritersShimon Wincelberg·Francis M. Cockrell
ProducersWilliam Bloom·Darryl F. Zanuck

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On the Threshold of Space was released on March 29, 1956 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Robert D. Webb

GMGuy Madison
Guy Madison
Capt. Jim Hollenbeck
VLVirginia Leith
Virginia Leith
Pat Lange
DJDean Jagger
Dean Jagger
Dr. Hugo Thornton
JHJohn Hodiak
John Hodiak
Maj. Ward Thomas
MMMartin Milner
Martin Milner
Lt. Mort Glenn
WSWarren Stevens
Warren Stevens
Capt. Mike Bentley
KCKing Calder
King Calder
Lee Welch
WCWalter Coy
Walter Coy
Lt. Col. Dick Masters
KCKen Clark
Ken Clark
Sgt. Ike Forbes

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On the Threshold of Space — streaming FAQ

Which OTT platform streams On the Threshold of Space?

On the Threshold of Space isn't streaming anywhere in Canada yet.

Is On the Threshold of Space on Netflix?

No, On the Threshold of Space is not on Netflix in Canada as of September 2026.

Is On the Threshold of Space on Amazon Prime Video?

No, On the Threshold of Space isn't on Amazon Prime Video in Canada right now.

Where can I watch On the Threshold of Space for free?

On the Threshold of Space isn't streaming in Canada yet, so there's no way to watch it free at the moment.

What is the OTT release date for On the Threshold of Space?

On the Threshold of Space hasn't started streaming in Canada yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around May 17, 1956. This is a prediction, not a confirmed date.