Thunderbolt is a 1929 proto-noir which tells the story of a criminal, facing execution, who wants to kill the man in the next cell for being in love with his girlfriend. It stars George BancroftFay WrayRichard ArlenTully Marshall and Eugenie Besserer.

The movie was adapted by Herman J. MankiewiczJoseph L. Mankiewicz (titles) and Josef von Sternberg from the story by Charles Furthman and Jules Furthman. It was directed by von Sternberg.

Bancroft was nominated for the Academy Award for Best Actor.