Written by Jerry Siegel
Jerry Siegel has a writing credit on 22 films here, including Justice League, Superman and Superman/Batman: Apocalypse. Most of them are action films.
The Magnetic Telescope
The Mummy Strikes
The Arctic Giant
Terror on the Midway
The Bulleteers
Japoteurs
Billion Dollar Limited
DC Showcase: The Spectre
LEGO DC Super Hero Girls: Super-Villain High
DC Super Hero Girls: Intergalactic Games
Superman's 50th Anniversary: A Celebration of the Man of Steel
The Death of Superman
DC Super Hero Girls: Hero of the Year
Justice League
Superman
Superman/Shazam!: The Return of Black Adam
Superman vs. The Elite
Superman/Batman: Apocalypse
All-Star Superman
Superman III
Superman II
Superman IV: The Quest for Peace