表演
michael carr/trent, semi-disc pilot
sol gorss/cave thug #1 [ch. 5]
david sharpe/technician [ch. 1]
paul gustine/technician [ch. 1]
richard irving/henchman ryan
walter reed/kent fowler
dick cogan/kirk, workman in bryant's lab [ch. 7]
george sherwood/bryant's gateman [ch. 7]
dick crockett/cave thug #2 [ch. 5]
james craven/dr. bryant
dale van sickel/watchman [ch. 1]
sandy sanders/steve
ken terrell/graves, mechanic [ch. 3]
lois collier/helen hall
john de simone/curtyis, torpedo tech.-thug [ch. 8]
tom steele/taylor
bill wilkus/pilot [chs. 1-2, 10]
carey loftin/truck loader-thug [chs. 7-8]
chuck hamilton/truck driver [ch. 4]
john daheim/boyd, shipping clerk [chs. 4-5]
gregory gaye/mota
lester dorr/crane, bryant's secretary [ch. 7]
罗伊·巴克罗夫特/mota [ch. 1]
克雷顿·摩尔/lewis ashe
jimmy o'gatty/grady
harry lauter/henchman drake
barry brooks/policeman in bryant's lab [ch. 8]
guy teague/plant guard [ch. 6]
角色
boyd
bryant's gateman [ch. 7]
cave thug
crane
curtyis
dr. bryant
grady
graves
helen hall
henchman drake
henchman ryan
kent fowler
kirk
lewis ashe
mota
mota [ch. 1]
pilot [chs. 1-2
plant guard [ch. 6]
policeman in bryant's lab [ch. 8]
steve
taylor
technician [ch. 1]
trent
truck driver [ch. 4]
truck loader-thug [chs. 7-8]
watchman [ch. 1]
