James Cameron chats with Mark Rolston, Private Drake, in the belly of LV-426’s beast. The smartgun-wielding grunt makes it to the 74-minute mark before being redecorated in an interesting shade of acid. Like all the Colonial Marines, Rolston read Robert Heinlein’s Starship Troopers and endured a gruelling SAS bootcamp to prep for the movie. “He told us all to decorate our gear, to bring our own individualities to each role,” remembers Rolston of the director. “I've never had that since. I asked for that scar!”.