Car chase and actor says oh and a walker

Sheriff's deputy Rick Grimes awakens from a coma to find a post-apocalyptic world dominated by flesh-eating zombies. He sets out to find his family and encounters many other survivors along the way.

Down-on-his-luck John Ellman is framed for a judge's murder. After he's convicted and sentenced to death, witnesses come forth and prove his innocence. But it was too late for a stay to be granted and Ellman is executed. A doctor uses an experimental procedure to restore him to life, though the full outcome is other than expected.