Continuity mistake: When the police confront Leeloo on the side of the building, she raises her hands and we can see that they're covered in soot. She jumps off and lands in Korben's cab. When she comes to, she presses her hand against the glass, and her hand is magically clean. (00:32:35 - 00:33:20)
Continuity mistake: When Zorg is first seen walking, and the screen only shows his legs, there is an audible clank as he steps with his RIGHT leg. After that, the clank is heard from his left foot. (00:47:10)
Continuity mistake: When Zorg returns to the flying hotel, he kills some security guards. When Korben and the others takes his shuttle to escape, their bodies have disappeared. (01:46:15)
Continuity mistake: When the cops are are getting the Golden Menus, the girl at the drive-in window hands them their order and you see a multipass on top of one of the boxes. The cop in the passenger seat gives the driver the order and the multipass is gone. (00:36:50)
Continuity mistake: In the beginning at the Egyptian temple while speaking to the Priest, the Professor has his cup in his right hand then a brush then the cup again...all while speaking the same sentence. (00:05:35)
Continuity mistake: After Leeloo fights the Mangalores in the Diva's room but then has to give the stones box to Zorg, she throws it to him with forward rotation but when the box is shown flying through the air in slow motion, it's rotating backwards. (01:29:05)
Continuity mistake: When the police are chasing Korben and Leeloo in the taxi, Korben uses a video display map of "Manhattan 2nd District". When he switches it on, it looks normal, but when the camera cuts away then back again, the display is reversed as though it were in a mirror. (00:37:25)
Continuity mistake: When Leeloo is trying to break out of the holding chamber, she bangs her hands against the glass and there is no sign of the tattoos that we see on her wrists when Korben takes her to the priest's house. (00:29:00 - 00:40:55)
Continuity mistake: When Leeloo jumps from the building, the elevator track, which was attached to the building on her right-hand side, has vanished. (00:30:10)
Continuity mistake: When Billy shouts at the Priest while holding the gun, there is a tripod standing behind Billy to his right. Billy yells, "Don't move." The shot changes to the Priest and then back to Billy again when Billy says, "I have a gun" you notice that the tripod behind him has disappeared. The tripod reappears in the overhead shot where the Priest says, "I'll explain everything." (00:11:00)
Continuity mistake: At the beginning of the film, when the door of the tomb is closing on him, the Mondoshawan extends his arm to give the key to the priest. His hand is completely out but the shot later, only the end of his fingers are outside. (00:11:50)
Continuity mistake: When Zorg's henchman is on the phone with Zorg and Zorg blows him up. As the smoke clears and the fires die down, the body of the henchman is still standing at the phone. (01:18:55)
Continuity mistake: The very first scene of the movie the boy rides in on the donkey and has a stick in his right hand he uses to hit the left side of the donkey. The shot changes and another boy yells, "gaka lama lako." and the shot changes to where the camels grunt, notice that the camels, from right to left are as follows in color: beige, beige, white, beige. The shot changes to boys shouting, then the shot changes to the boy about to get off the donkey, but notice the stick in that boy's hand has mysteriously disappeared. The boy gets off the donkey and runs up the platform, and this is where you notice the order of the camels has changed to: beige, beige, beige, white. (00:03:10)
Continuity mistake: When the techs are analyzing the dark planet right before the first attack, the first tech turns to the second to report the sudden drop in surface activity. Between that shot and the following one on the second tech, the first tech's hand jumps from at his side to rising in front of his chin. (00:15:40)
Continuity mistake: When Leeloo is learning English using the Priest's computer, just before David asks him what she's doing, Leeloo is looking at words beginning with "na" (such as "nasty") but as soon as the shot changes she is looking at words beginning with "matt" (such as mattress). Just before she selects "martial arts", she is looking at the following words : master, mastered, mastering and meadow. Firstly, "master" (et al.) all come before mattress in the alphabet, and secondly, mattress (and lots of other words) are between mastering and meadow. (00:46:15)
Continuity mistake: When Leeloo is fighting the Mangalores in the Diva's quarters, one of them swings at her from behind. She ducks and turns her head, and in the next shot she has turned completely around as the Mangalore throws its second punch. (01:31:25)
Continuity mistake: When the cops go looking for Korben and Leeloo in the fog, there are two orange light sticks hanging from the ceiling inside their car. From the outside looking in they are swinging from side to side very quickly. But from the inside looking out they are swinging from side to side very slowly.
Continuity mistake: When they are trying to place the stones in the temple, Korben picks up either the water or air stone - by the time they get to the plinth he's holding the fire stone. (01:53:15)
Continuity mistake: When Korben lets his cat in the apartment, the cat jumps up onto the bed and watches the TV. Korben is then seen dealing with the hoodlum and when he turns to put the gun in the rack, the cat is gone and the bed is back in the wall. (00:19:25 - 00:20:25)
Continuity mistake: When LeeLoo is on the ledge outside of the building, the police corner her & take her picture. Her face is pretty calm, but when the picture is developed on the police screen, she looks shocked. (00:32:20)
Answer: I looked it up and it is Jill Milan. If you do a search for her, it is in her credits as an actress.