
Movies (As Crew)
Sorted by Release Date
Tintin and the Lake of Sharks
Greg was 41 in Tintin and the Lake of Sharks as 'Screenplay'.Movie Released: Wed, Dec 13 1972

Tintin and the Temple of the Sun
Greg was 38 in Tintin and the Temple of the Sun as 'Screenplay'.Movie Released: Sat, Dec 13 1969
TV Shows (As Crew)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

L'Agence Labricole
Greg was 48+ in L'Agence Labricole as 'Writer'.TV Show Released: First Air Date
Sat, Nov 10 1979
Sat, Nov 10 1979