I understand you're looking for free, printable images of Werewolves of Miller's Hollow cards (likely the classic deduction/social deduction card game). However, I need to give you a straight answer upfront:
If you want, I can write you a for making your own print-ready PDF using free software, including a template for all 20+ roles. Just say the word.
The game is published by Asmodee / Lui-même, and distributing complete printable copies of the cards would violate copyright.