Hexed (movie, 1993)

Lowly hotel clerk Matthew Welch stumbles unto a chance to go on a date with supermodel Hexina by pretending he is someone else. But something goes wrong on the date, she tries to kill him! Soon she kills a couple more people, and unfortunately all the evidence points to Matthew. Gloria, who has been wishing Matthew would ask her on a date, thinks he is innocent and is willing to help, but hardnosed Detective Ferguson is hot on the clues, and closing in on Matthew.