 Dale MidkiffCaptain Hank Thomas | Captain Hank Thomas |
 Judd NelsonHarold Peters | Harold Peters |
 Jennifer RubinSharon Williams | Sharon Williams |
 William ShatnerMajor Robert Carson | Major Robert Carson |
 Cliff RobertsonBuzz Thomas | Buzz Thomas |
 Mark KielyRoger the Rat | Roger the Rat |
| DDean BiasucciRoth Jankins | Roth Jankins |
 Sandra RobinsonBarbara Edwards | Barbara Edwards |
| NNatasha RothAlisia Edwards | Alisia Edwards |
 Allison DunbarConnie Eldridge | Connie Eldridge |
 Donald LiCapt. Chow | Capt. Chow |
 William ZabkaJohn - Security Guard | John - Security Guard |
| CChristian McIntireUFO Informant | UFO Informant |
| QQue KellyWeapons Specialist | Weapons Specialist |
| BBo EasonSecurity Guard | Security Guard |
| JJeff RankHarmon Yaznah | Harmon Yaznah |
| MMelanie J. ElinWoman on Airplane | Woman on Airplane |
| TThomas VozzaMan on Airplane | Man on Airplane |
| RRonald SchmidtInterviewed Guard | Interviewed Guard |
| SSteven M. BlasiniFighter Pilot (Uncredited) | Fighter Pilot (Uncredited) |
| SScott DuthieSecurity Guard (Uncredited) | Security Guard (Uncredited) |
 Ken OlandtCapt. Bobby Edwards (Uncredited) | Capt. Bobby Edwards (Uncredited) |
