Luke Griffin played Kent Dempsey in Haunted Harmony Mysteries: Key to the Castle (2026), his one Hallmark credit so far.
2026 · Actor7.0Weirdness 7 of 10
When a ghost hunter show comes to town, it's up to Gethsemane and Eamon to solve the unexpected murder of the host, allowing the brand-new spirit to cross-over.
We have 1 Hallmark movie on file for Luke Griffin.
Haunted Harmony Mysteries: Key to the Castle (2026) has more audience votes than any other Luke Griffin Hallmark film, so it's the one most people have seen.
The earliest Hallmark film in our catalogue for Luke Griffin is Haunted Harmony Mysteries: Key to the Castle (2026).
Luke Griffin works on Hallmark films as actor.
Credits come from IMDb, posters and other credits from TMDB, and ratings combine IMDb and TMDB audience scores. Weirdness and traits are HallmarkDB’s own, read from each film’s subtitles. Luke Griffin on IMDb · Luke Griffin on TMDB
