an upcoming space mission to venus becomes even more vital after a startling secret be reveal . foreign agent have reveal a secret plot by the chinese where they have manufacture the ultimate weapon and capable of destroy everything on the surface of the planet . the mission to our sister planet now become a fight for the survival of the human race and a the crew must try to save the earth from destruction and accord to the dvd sleeve synopsis . apparently and the red chinese be prepare to attack the nato ally and with nuclear weaponry . so and a 1975 man ( and womanned ) space mission to the planet venus take on added meaning while if the earth be destroy in a nuclear war and the only human survivor may be those people travel to venus . these men and woman learn they will be play adam and eve except for henry wilcoxon ( a dr. perry ) and who be portray a too old for sex and at age 61 ( when this be film ) . there be very few redeem quality in the doomsday machine . you will get to see ruta lee ( a marion ) slap bobby van ( a danny ) once . you could watch to see how performer like grant williams ( a kurt mason ) and mala power ( a georgianna bronski ) handle their unenviable assignment . you might want to admire james craig ( a haines ) admirable physique and during his shirtless scene . or and you could observe how space flight affect ladies hairstyle . casey kasem and mike farrell have cameos .