Films written by Gregory J. Markopoulos

Serenity
1961No ratings yet
- Drama
- History
The Mysteries
1968No ratings yet
- Drama
- Mystery
Swain
1950No ratings yet
- Drama
Twice a Man
1963No ratings yet
- Drama
The Dead Ones
1967No ratings yet
- Drama
Himself as Herself
1967No ratings yet
- Drama
No poster
Eldora
1953No ratings yet
- Drama
- Romance
Psyche
1948No ratings yet
- Drama
- Romance
The Illiac Passion
1967No ratings yet
- Drama
- Fantasy
Christmas U.S.A.
1949No ratings yet
- Romance