Continuity mistake: When Seok-woo is being attacked by the soldier zombie, just after he finds the book on the floor, his left hand is shown grabbing onto the soldier's shoulder. It then cuts to a close-up of the zombie, where he shoves the book into its mouth and Seok-woo suddenly has his left hand on the soldier's head. (00:45:29)
Continuity mistake: When Jin-hee, Jong-gil and the train attendant get into Car 14 after fleeing the zombies at Daejeon Station, in the shot where the attendant begins to close the door, Jong-gil is facing towards the door. But in the next shot, as the door closes, Jong-gil is suddenly facing the opposite direction. (00:47:54)
Continuity mistake: Just after Su-an and Seong-kyeong help up In-gil and the zombie begins chasing them, Jong-gil is shown sitting on the ground in the background. No-one else is shown in the background at first, but in the next shot, Jin-hee and the train attendant have suddenly appeared behind her to help her up. (00:47:39)
Continuity mistake: Just after Seong-kyeong has placed the newspapers over the sliding door, Seok-woo goes to check if Su-an is OK. He puts his hand near the top of her arm, but in the next shot, his hand is suddenly lower down her arm. (00:28:10)
Continuity mistake: When Seong-kyeong takes out a sweet for Su-an to eat, the sweet packet she is holding has the top section torn off it, with the top section still attached to the edge of the packet. The top section is shown hanging over the front side of the packet when she takes the sweet out and is still shown on hanging over the front side when she says "This is Sleepy. Say hello." When Su-an goes to touch the pregnant belly bump, the torn off section is now on the back side of the packet. (00:36:13)
Continuity mistake: When the train begins to stop at Dajeon Station, Su-an is shown sitting beside the window looking out as it begins to slow. In the next shot, her hand is suddenly placed on the window sill. The direction in which she is looking also changes between shots. (00:31:14)
Continuity mistake: Whilst the passengers are walking to the front of train, Seok-woo pulls down a chair for Su-an to sit down. After pulling down the chair, he tells her he'll give her mother a call and places his right hand on his leg when he does so. In the next shot, his right hand is suddenly in front of him and being pulled away. (00:33:43)
Continuity mistake: When Sang-hwa is fighting with his first zombie, just as Seok-woo begins to walk past him, Sang-hwa's hands are shown holding onto the zombie's neck, but in the next shot, his right hand is suddenly holding onto the zombie's head. (00:25:38)
Continuity mistake: When Sang-hwa is holding onto the first zombie he comes into contact with, he grabs onto the zombie's hair and some of its hair is in the gap between Sang-hwa's thumb and finger. In the next shot, that hair in between his fingers is no longer there. (00:25:45)
Continuity mistake: When the first zombie is attacking the female train attendant in the middle of the train car, the wide shot shows the zombie using her left hand to hold down the attendant's left arm. A closer shot of the zombie attacking the woman is then shown, where the zombie is holding onto the attendant's head. (00:22:02)
Continuity mistake: When the train is pulling out of the station, Su-an is shown looking out of the window and sees a zombie attacking another man. She is lying back in the seat, then sits up when she first sees the attack. When the shot cuts to an angle outside the train, Su-an is now leaning towards the window. (00:16:00)
Continuity mistake: When the female train attendant Hyde-young bumps into the male train attendant walking out of the toilet, he tells her to adjust her scarf, to which Hye-young pulls on her scarf and rotates it. When the camera changes to a different angle, the hand that she had on her scarf is now on the back her shirt collar. (00:13:43)
Continuity mistake: When the passengers are first boarding the train, just as a couple ask the female train attendant where Car 4 is, two women can be seen boarding the train behind the attendant. The attendant then points to Car 4 and a man with a suit and backpack has suddenly appeared alongside the two women. (00:13:05)
Continuity mistake: When Su-an looks at the flake of ash in her hand from the fire, in one shot, her hand is in a completely straight position, but in the next shot, her fingers are suddenly in a curled position. (00:12:34)
Continuity mistake: When Seok-woo realises that Su-an already has a Nintendo Wii, she says "Children's Day this year", whilst holding the box containing a Wii that Seok-woo got her. As she says this, her right thumb is shown placed near the top of the side of the box. In the next shot, her thumb is suddenly further down the side of the box. (00:08:10)
Continuity mistake: When the birthday present that Seok-woo gives to Su-an is first revealed to be a Nintendo Wii, Su-an's right thumb is shown placed over the Mario on the box art. In the next shot, her thumb is suddenly placed nearer to the side of the box. (00:07:50)
Continuity mistake: When Su-an unwraps her birthday present, the camera pans downwards to reveal that it is a Wii. After Seok-woo asks her if she doesn't like it, Su-an looks over to a Wii that she already owns, and some wrapping paper that the gift was wrapped in is suddenly visible in front of the Wii box. (00:07:50)
Continuity mistake: When Seok-woo speaks with Su-an after she speaks with her mother, Seok-woo sits with her on the bed and places his left hand on the side of the bed. The camera changes angles and his left hand has now changed position to be behind him. (00:06:58)
Continuity mistake: Just after Seok-woo calls to send Kim to his office, he looks at an article of a mysterious fish death at Jinyang Reservoir. He puts his hand over his face when he does this, but when Kim walks into the office in the next shot, his hand is no longer over his face. (00:04:30)
Continuity mistake: When Seok-woo gets off the phone with the client, he clears his desk and picks up the phone again to make another call. In the shot where he first picks up the phone and presses the button, his fingers are at a curled angle and his little finger is pressed against the back side of the phone. In the next shot, his fingers are suddenly in a more relaxed and his little finger is positioned along the side of the phone with his other fingers. (00:04:17)
