On the Threshold of Space
| MPAA Rating: | NR |
| Genre: | Drama |
| Country: | United States |
| Produced By: | Darryl F. Zanuck, William Bloom, Barbara Mclean |
| Directed By: | Robert D. Webb |
| Written By: | Francis M. Cockrell, Shimon Wincelberg |
| Cast: | Charles Lind, Barry Coe, Walter Coy, Helen Bennett, Ken Clark, Richard Grant, Warren Stevens, Donald Freed, Martin Milner, King Calder, John Hodiak, Jeffrey Sayre, Donald Murphy, David Armstrong, Jo Gilbert, Guy Madison, Kenner G. Kemp, Dean Jagger, Juanita Close, Virginia Leith, Dan C. Ogle |
| In Theaters: | Apr 30, 1956 |
| Runtime: | 1 hour 38 minutes |
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