After an accident during a routine trip to Venus, a spaceship has only enough oxygen left for three people... out of five on board.
| Actor | Role |
|---|---|
 Jack WagnerMacNeil | MacNeil |
 Jack ColemanGrant | Grant |
 Craig WassonPalmer | Palmer |
 Sigrid ThorntonIssacs | Issacs |
 Kay LenzGillings | Gillings |
| KKevin ColsonCaptain Michael Howard | Captain Michael Howard |
 Mark LeeTug 1st Officer | Tug 1st Officer |
 Kevin CopelandTug Pilot | Tug Pilot |
 Ian StenlakeTug Medic | Tug Medic |
| FFrancine BellIPNN Newscaster #1 | IPNN Newscaster #1 |
| TTania MartinIPNN Newscaster #2 | IPNN Newscaster #2 |
| MMichael Mills1st Tugman | 1st Tugman |
| JJamie Stewart2nd Tugman | 2nd Tugman |