I wanted to establish the common name for production designer/art director Gregory (P.) Keen.

GREGORY KEEN (10 titles, 8 confirmed)
- Dirty Work
- Flashpoint: Season 1
- The Lazarus Child (confirmed by T!M)
- Mickey Blue Eyes (confirmed by T!M)
- The Mighty Quinn (confirmed by T!M)
- My Big Fat Greek Wedding (confirmed by T!M)
- My Big Fat Greek Wedding 2 (confirmed by T!M)
- The Piano (confirmed by T!M)
- Stealing Harvard (confirmed by T!M)
- Superstar (confirmed by T!M)

GREGORY P. KEEN (9 titles, 2 confirmed)
- Citizen Duane
- Comeback Season (confirmed by T!M)
- Deceived
- F/X2
- Kids in the Hall: Brain Candy
- National Lampoon's Senior Trip
- Searching for Bobby Fischer
- Trapped in Paradise (confirmed by T!M)
- The Wrong Guy

GREGORY PAUL KEEN (1 title, 0 confirmed)
- Used People