An American intelligence agent, aided by a Chinese-American female agent, uses a time-travel belt to thwart Chinese operatives who are attempting to import to Los Angeles the materials to make an atomic bomb.
| Actor | Role |
|---|---|
 Jeffrey HunterJustin Power | Justin Power |
 France NuyenKitty | Kitty |
 Harold SakataBig Buddha | Big Buddha |
 Donald WoodsKane | Kane |
| LLinda HoNancy Ho | Nancy Ho |
 Robert ItoSato | Sato |
 David ChowStoneface | Stoneface |
 Jon LormerProfessor | Professor |
 Bill WalkerSlim | Slim |
 Virginia Ann LeeMute Girl | Mute Girl |
| LLee KolimaGenghis | Genghis |
 Tad HorinoSqueaky | Squeaky |
 Kam TongKim Fong | Kim Fong |
| GGerald JannChang | Chang |
 Carol ByronBig Sister | Big Sister |
 Maggie Thrett2nd Sister | 2nd Sister |
| KKay Michaels3rd Sister | 3rd Sister |
| MMarianna CaseSunny | Sunny |
 Deanna LundMiss Sweet | Miss Sweet |
| KKen SpaldingAgent | Agent |
 Robert PhillipsGeorge | George |
| AAllen JungAssassin | Assassin |
 John McKeeGrumpy Man | Grumpy Man |
 Ruth FosterGrumpy Man's Wife | Grumpy Man's Wife |
| RR. L. ArmstrongTexan | Texan |
 Ed ParkerSinister Oriental | Sinister Oriental |
| TTita MarsellSpanish Girl | Spanish Girl |
 Paul FreesBig Buddha (voice) (uncredited) | Big Buddha (voice) (uncredited) |