The actress who plays Marie as a child has blue eyes, the actresses who play her as a teen and adult both have hazel/green eyes.
The child Marie is left-handed when taking the test, but further on in the movie the teen Marie writes right-handed in her notebook.
The face of the phone is sometimes Black with gaff tape (when words are shown) and then white when shown to her father at the dinner table.
The paint on the back of the phone OXV is scratched from wear off when it is shown on the table to the research team, but appears back as new in the next scene when it is next shown again.
One of three matches selected by Ministry of Partnership, Helen Malzin, is from Germany. The profile information on the computer screen showed the GDR, the country abbreviation for German Democratic Republic, which is informally known as East Germany.
The proper abbreviation would read as FRG, Federal Republic of Germany.
The proper abbreviation would read as FRG, Federal Republic of Germany.
Marie is missing her iconic mole off her right eye while in the watch shop.