Marshall Riggan

1972

• [ ] Six Hundred and Sixty-Six (Writer) 

1973

• [ ] So Sad About Gloria (Screenplay) 

1991

• [ ] The Cu Chi Tunnels (Script Editor) 

1994

• [ ] Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown (Writer) 

1995

• [ ] Air & Space Smithsonian: Dreams of Flight - Higher Faster Farther (Writer) 

2010

• [ ] OK Buckaroos (Writer)