Aviation drama film centered on the hazardous lives of test pilots pushing the limits of experimental supersonic aircraft at Edwards Air Force Base.
| Actor | Role |
|---|---|
 Preston FosterCol. Ed Buckley | Col. Ed Buckley |
 Coleen GrayMary Ellen | Mary Ellen |
 Jeff DonnellRuth Buckley | Ruth Buckley |
 Denver PyleMickey Hill | Mickey Hill |
 Russell ThorsonDan Maddox | Dan Maddox |
 Pat ConwayJeff Connors | Jeff Connors |
| BBobby ClarkSkip Buckley | Skip Buckley |
| AAnne BartonGrace Hill | Grace Hill |