When Tisa goes for a morning swim, she takes off her bra to go into the water. When she asks one of the androids watching to bring her a towel, she can be seen wearing the bra again, only to appear topless in the very next scene telling the android to not bother with the towel after all.
At the very end of the scene with the robots on the beach, the actor's long hair can be seen coming out of the robot suit.
Near the climax to the film, one of the henchmen is hit over the head with a spiked club, causing him to explode, and one of the wall on the right side of the screen visible moves. (at around 1h 3mins)
At the 1:02:34 mark, the boom is visible in the lower right of screen as the two girls are about to walk up stairs in the hidden temple where they retrieve the second laser.