- Callan Mulvey portrayed Anatoli Knyazev in Batman v Superman: Dawn of Justice. This makes him one of the few actors to date to have appeared in both the Marvel Cinematic Universe and the DC Extended Universe.
- Callan Mulvey also portrayed Scyllias in the comic book adaptation 300: Rise of an Empire.
- Callan Mulvey previously worked with Chris Pratt in Zero Dark Thirty.
- Callan Mulvey previously worked with Frank Grillo in Zero Dark Thirty and Beyond Skyline.