Continuity mistake: Mr. Kitzmiller's secretary is about eye level with Kolchak when the camera shot is over Kolchak's left shoulder, but in the shots over the secretary's right shoulder she towers over him.
Continuity mistake: Captain Molnar's arms go from being in front of his chest to down at his sides and back again as he and Kolchak speak outside the police squad room.
Continuity mistake: Outside the police squad room, Captain Molnar grasps Kolchak's left hand, but the next shot shows Molnar's hands at his sides.
Continuity mistake: Mr. Burton and Kolchak each hold a photo of the ape man's foot prints, but the next shot shows Kolchak holding all of the photos.
Continuity mistake: Kolchak's hands instantly change position as he speaks with Captain Molnar outside the police squad room.