Director Orson Callan Krennic is a fictional character in the Star Wars franchise, portrayed by Australian actor Ben Mendelsohn in the 2016 film Rogue One as the main antagonist. Krennic is the Director of Advanced Weapons Research for the Galactic Empire, and was introduced in the 2016 prequel novel Catalyst by James Luceno.

Paul Benjamin Mendelsohn is an Australian actor. He first rose to prominence in Australia for his break-out role in The Year My Voice Broke (1987). He gained international attention for his starring role in the crime drama Animal Kingdom (2010). He has since had roles in films such as The Dark Knight Rises (2012), Starred Up (2013), Lost River (2014), Mississippi Grind (2015), Rogue One (2016), Darkest Hour (2017) and Ready Player One (2018).