

On the Threshold of Space
“They Soar to Glory!... The Flying Scientists of the U.S. Air Force!”
Synopsis
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 of support, his wife, Pat, accepts his unwavering commitment to scientific progress. When Maj. Ward Thomas becomes the new head of the program, Hollenbeck must convince him of the necessity of taking the extra steps.
Top Cast
Explore Star Directory →Release History & Theatrical Window
March 29, 1956
Wide Cinema Exhibition
Key Information & Fast Facts
- Director
- Robert D. Webb
- Screenplay & Story
- Shimon Wincelberg, Francis M. Cockrell
- Original Score
- Lyn Murray
- Original Title
- On the Threshold of Space
- Country of Origin
- United States of America
- Spoken Languages
- English
- Runtime
- 1h 38m
- Production Studios
- 20th Century Fox
Creative Leadership & Key Crew
Robert D. Webb
Shimon Wincelberg, Francis M. Cockrell
Lyn Murray
Joseph MacDonald
Hugh S. Fowler
William Bloom, Darryl F. Zanuck
Department Leadership Roster
Robert D. Webb
Director
Shimon Wincelberg
Writer
Francis M. Cockrell
Writer
William Bloom
Producer
Joseph MacDonald
Director of Photography
Hugh S. Fowler
Editor
Lyn Murray
Original Music Composer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
NR: Not Rated — Evaluated outside standard classification boards.
International Certification Matrix
Not Rated — Evaluated outside standard classification boards.
Production Stills & Gallery
Official cinematic photography and background stills for On the Threshold of Space.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring On the Threshold of Space.
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Frequently Asked Questions About On the Threshold of Space
Quick factual answers about cast, synopsis, director, box office, and release information.
What is On the Threshold of Space about?
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 of support, his wife, Pat, accepts his unwavering commitment to scientific progress. When Maj. Ward Thomas becomes the new head of the program, Hollenbeck must convince him of the necessity of taking the extra steps.
Who directed On the Threshold of Space?
On the Threshold of Space was directed by Robert D. Webb.
Who stars in On the Threshold of Space?
The principal cast of On the Threshold of Space includes Guy Madison, Virginia Leith, Dean Jagger, John Hodiak, Martin Milner.
When was On the Threshold of Space released and how long is it?
On the Threshold of Space was released in 1956 with a total runtime of 1h 38m.
Who composed the musical score for On the Threshold of Space?
The original motion picture soundtrack for On the Threshold of Space was composed by Lyn Murray.
What is the age rating and content advisory for On the Threshold of Space?
On the Threshold of Space holds official age classifications: US: NR (Not Rated — Evaluated outside standard classification boards.).



















