Continuity mistake: Jake walks into Hollis Mulwray's office and there's nothing on the green desk mat in front of his secretary. In the next shot her right arm is leaning on an appointment pad. (00:20:45)
Continuity mistake: Jake opens the middle draw of Hollis Mulwray's desk and then closes it. Several shots later he opens the right draw of the desk and we see that the middle draw is still open. (00:21:10)
Visible crew/equipment: Jake goes to Hollis Mulwray's house and as he rings the doorbell you can see the reflection of the cameraman in the shiny door. (00:25:35)
Continuity mistake: Jake says to Evelyn Mulwray, "Whoever set your husband up, set me up" and the shadow on the house behind her moves several feet to the left as the scene progresses. (00:28:45)
Continuity mistake: Jake has tea at Evelyn Mulwray's house and she agrees to drop the charges against him. Evelyn is wearing a scarf that she unties but does not take totally off her neck. In the next shot it's off her neck. (00:28:55)
Visible crew/equipment: After having tea with Evelyn Mulwray Jake gets up and walks away. The shadow of the cameraman appears on the back of his jacket. (00:30:40)
Continuity mistake: After leaving Evelyn Mulwray, Jake goes to the Oak Pass Reservoir to look for Hollis Mulwray. If you look at the design on his tie, it's obvious that it has been re-tied. (00:31:30)
Revealing mistake: When Jake talks with a boy on a horse at the bottom of the LA River, in the distance you can see a television antenna on top of a house. There were no television antennas in Los Angeles in 1937. (00:39:45)
Continuity mistake: At night, Jake goes back to the Oak Pass Reservoir where Hollis Mulwray was murdered. At first he stands to the left of the no trespassing sign but in the next shot he's on the right of the sign. (00:40:35)
Revealing mistake: When Roman Polanski cuts Jake's nose at the Oak Pass Reservoir, looking closely, his nose is fine and the blood is just on his cheek. (00:42:35)
Continuity mistake: When Evelyn Mulwray meets Jake at the restaurant, the maitre d' walks away from them. In the next shot, he's standing looking at them with the waiter by his side. (00:45:45)
Continuity mistake: When Evelyn Mulwray meets Jake at the restaurant, the spots on her veil change between shots after we first see her. (00:45:45)
Continuity mistake: When Evelyn Mulwray meets Jake at the restaurant, look closely at the table behind them in the center of the screen. Two men are eating there and the tablecloth and napkin in the man's lap are rearranged between shots. (00:45:45)
Continuity mistake: As Evelyn Mulwray stands in front of Jake at the table in the restaurant, look closely at the red chair behind them. When she first walks in, the seam is under the wood post in the center of the screen. In the next shot, it's been moved about two feet to the left. (00:45:50)
Continuity mistake: As Evelyn Mulwray and Jake talk at the restaurant, look closely at the seat behind him. In the long shots of Jake, both sides are lit up, but, in the close-ups, the left side is in the dark. (00:48:30)
Visible crew/equipment: As Evelyn Mulwray and Jake talk in the restaurant, he holds up an envelope and the shadow of the camera can be seen on its back. (00:49:15)
Continuity mistake: At Hollis Mulwray's office, Jake looks at the picture of Noah Cross on the wall. At first the shadow of his head falls on the picture but in the next close-up shot it's gone. (00:51:05)
Continuity mistake: At Hollis Mulwray's office, Jake holds up the same envelope that we saw as Evelyn Mulwray talked to him in the restaurant. The address is now different and the street number is smaller. (00:51:10)
Continuity mistake: At Hollis Mulwray's office, the shadows on the pictures to the left of Russ Yelburton's door fall to the right of the pictures as Mulwray's Secretary walks in to see him. Two shots later, as she walks out of the office, the lighting has been changed and the shadows fall behind the pictures. Later the first shadows return. (00:51:20)
Continuity mistake: At Hollis Mulwray's office look closely at the drapes behind his secretary as Jake first walks in. No one goes near them but by the time she gets back to her desk they've been rearranged. (00:51:25)
