Gwendoline is a cult member and one of Octopussy's bodyguard. She is first seen when Bond breaks into the floating palace to talk with Octopussy. A few minutes later Kamal Khan went and reported to Octopussy that Bond escaped. Than Octopussy introduced him his " old friend " and told him she will take care of Bond. After Kamal gone she asked Gwendoline that show Bond's room.
She appears next night, when the hired thugs want to kill Bond in the palace. She got the poisoned gun to Octopussy to kill one of the thug.