• User


Director Robert D. Webb's 1956 drama, about the early days of the U.S. space program and the men who undergo extensive testing and endurance tests in preparation for their jobs as future astronauts, stars Guy Madison and John Hodiak.

  1. Robert D. Webb


  2. Shimon Wincelberg


  3. Francis M. Cockrell


Top Billed Cast

  1. Guy Madison

    Guy Madison

    Capt. Jim Hollenbeck

  2. Virginia Leith

    Virginia Leith

    Pat Lange

  3. Dean Jagger

    Dean Jagger

    Dr. Hugo Thornton

  4. John Hodiak

    John Hodiak

    Maj. Ward Thomas

  5. Martin Milner

    Martin Milner

    Lt. Mort Glenn

Full Cast & Crew

On the Threshold of Space


We don't have enough data to suggest any movies based on On the Threshold of Space. You can help by rating movies you've seen.


Status Released

Release Information

  • March 29, 1956


Original Language English

Runtime 1h 38m

Budget -

Revenue -



No keywords have been added.

Content Score


Pump it up! We're close now.

Top Contributors

Popularity Trend

By signing up for an account on TMDb, you can post directly to Twitter and Facebook.

You need to be logged in to continue. Click here to login or here to sign up.


s focus the search bar
p open profile menu
esc close an open window
? open keyboard shortcut window

On media pages

b go back (or to parent when applicable)
e go to edit page

On TV season pages

(right arrow) go to next season
(left arrow) go to previous season

On TV episode pages

(right arrow) go to next episode
(left arrow) go to previous episode

On all image pages

a open add image window

On all edit pages

t open translation selector
ctrl+ s submit form

On discussion pages

n create new discussion
w toggle watching status
p toggle public/private
c toggle close/open
a open activity
r reply to discussion
l go to last reply
ctrl+ enter submit your message
(right arrow) next page
(left arrow) previous page