Character mistake: At the beginning of the movie Marty is turning on a huge guitar amplifier. The two switches for the filaments are misspelled. They are shown as "filiment." (00:03:25)
Character mistake: When Cain is attempting CPR on the flatlined patient at the beginning of the film, he tells the other doctor, "She just needs a little more time for the drugs to circulate." Circulation stops at the moment of flatlining. (00:05:25)
Character mistake: In the opening credits, the actor Art LaFleur, correctly credited as such in the end credits, appears as "Art Le Fleur" (00:01:00 - 01:15:50)
Character mistake: When Burt, Ernie and Spider go into the hall after questioning the zombie Burt says his own name instead of Ernie or Spider.