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Found 11 films with cast matching "Gregory J. Markopoulos"
Early Monthly Segments
2003
Gregory J. Markopoulos
The Hedge Theater
2002
Gregory J. Markopoulos
as Himself
Sotiros
2000
Gregory J. Markopoulos
The Painting
1972
Gregory J. Markopoulos
From the Notebook of...
1972
Gregory J. Markopoulos
as Himself
The Dead Ones
1967
Gregory J. Markopoulos
as Paul
Winged Dialogue
1967
Gregory J. Markopoulos
Spiracle
1967
Gregory J. Markopoulos
Dionysus
1964
Gregory J. Markopoulos
Swain
1950
Gregory J. Markopoulos
as the protagonist, Swain
A Christmas Carol
1940
Gregory J. Markopoulos
as Ebenezer Scrooge