* HeyItsThatGuy:
** George Kennedy (who played Ed in ''Film/TheNakedGun'' trilogy) as Roy [=McLean=]
** [[Film/{{Payback}} Val Resnick]] is Warren. He's also [[Film/GuardiansOfTheGalaxy Star-Lord's grandfather]].
* SimilarlyNamedWorks: There's also a 1946 crime drama film named ''Just Before Dawn'' directed by William Castle.
* WhatCouldHaveBeen:
** Richard Kiel was considered for [[spoiler:the role of killer twins]].
** The original script had a heavy religious tone, and featured snake-handling in its climax.
* WorkingTitle: ''The Last Ritual''.