Trivia

Final film directed by Harold Ramis. It's also his last acting role.

Stanley Tucci was cast to play the Biblical character Noah. After Evan Almighty (2007) failed at the box office, Noah was cut from the film.

Paul Rudd is uncredited for playing Abel, Cain's brother.

The spotted multi-horned sheep in the movie are a British breed of sheep called Jacob sheep. They are not endangered.

The breed of cow in Abel's herd is called a Highland. It originated in Scotland.

Bill Hader: as a witch doctor.

Harold Ramis: as Adam.