Continuity mistake: When Harold and Kumar stop to take a pee and then leave, Harold gets bitten by a raccoon. In one shot Harold's blood stain is seen on his jacket, but in the next shot it's gone, then back again and so forth, until the car comes to a stop.
Continuity mistake: In the scene when Harold and Kumar go into the girl's bathroom and hide in the middle stall, you can see all of the stall doors are closed. When the twins are standing at the mirror in the bathroom, you can see in the mirror that the stall door behind the twin in pink is open, and then it is closed again. (00:23:45)
Continuity mistake: When Harold and Kumar almost crash into Goldstein and Rosenberg we see Goldstein's car stop a short distance behind Harold's. Then in the wide shot the car is now much further down the road.
Continuity mistake: The bloody scar on Harold's forehead changes in different scenes.
Continuity mistake: When Kumar is at his interview for med school, the dean of admissions spills his coffee on himself and puts the coffee cup back on the table, but between shots the handle of the cup changes directions.
Continuity mistake: When Harold and Kumar go into the women's bathroom at Princeton they run into the middle stall to hide from the girls. You can see the legs of the girl in the left stall before she even goes into the stall. (00:23:40)
Continuity mistake: When Harold is given the paperwork to do by his boss in the beginning of the movie, his boss is giving him an "okay" sign and a "number one" sign with his right hand. The last shot before his boss leaves, he put down his left hand, which he was not using to make the signals.
Continuity mistake: After H and K almost hit Goldstein, they talk after realizing who's who. Kumar lowers his window and says "Goldstein?" When they show that shot the car that Kumar is in is fairly clean, but in the next shot of him opening the door, it's a lot dirtier.
Continuity mistake: When Harold and Kumar almost get in a car accident, Kumar rolls down his window all the way down when talking to Goldstein, but the next shot of Kumar opening the driver side door, the window is now only half down instead of all the way.
Continuity mistake: As we see Harold and Kumar in the car we see a close up shot of Harold on his laptop. We also see a USB wire in the side USB port to which is attached a small light set off to the left of the screen. In one of the wide shots this light can be seen, but in all the others it has disappeared.
Continuity mistake: Harold's Toyota Camry changes between shots a few different times in the movie. In the beginning and for the majority of the movie, the Camry is one of the more expensive trim levels with alloy rims. During some of the shots, it switches back and forth from this to a base model Camry with wheel covers. One of the times this happens is when they are wrestling with the raccoon.
Continuity mistake: When Harold is getting his mail before the first meeting with Maria, you can see that his apartment number is 426. But when he leaves the apartment with Kumar to go to White castle, his apartment number is 422.
Continuity mistake: When Kumar buys the drugs at Princeton and tells Harold "There are these two filthy p****** waiting to have sex with us" you can see Cindy Kim cross her arms from behind. In the next shot she crosses them again.
Continuity mistake: When Harold and Kumar pull up into the Burger Shack drive-through, the guy goes crazy, saying, "Let's burn this muthaf*cka down.", he then knocks over the rack in the back, and all the stuff falls off of it. A few shots later, the rack is upright again and all the stuff is back on the rack.
Continuity mistake: When Kumar is interviewing at Princeton, the cup is not only changing directions, but sometimes is missing and at one point it is sitting slanted on top of a pen.
Continuity mistake: When Harold and Kumar are at the Burger Shack drive-thru, Kumar is sitting in a cloth seat in one shot, yet the Camry is seen with a leather interior throughout the rest of the movie.
Continuity mistake: When Kumar is talking to the dean of admissions of med school, the dean spills his coffee, on himself, and places the cup on his desk, however the cup disappears and reappears during the scene.
Continuity mistake: When Kumar holds up the imaginary envelope for Least Heterosexual, he has one hand on top and one hand on the bottom. In the next shot, his hands are side by side.
Continuity mistake: When Harold and Kumar stop, Kumar is peeing on the bush and the other man comes up in the suit and starts peeing, his tie changes positions with each shot. Sometimes it is tucked in on only one side while other times it isn't tucked behind the suit at all.
Continuity mistake: When Kumar gets out of the car to go pee, Harold pulls out his laptop. As he is leaning forward to pick it up, he is not wearing his glasses. He picks up the laptop with both hands and starts to open it, never having his hands have time to put on glasses but suddenly he has glasses on.
Chosen answer: According to IMDB at this link http://www.imdb.com/title/tt0366551/ Christopher Meloni was the only actor in this role. Chris Elliott was never in the movie.
SAZOO1975