Les Guthman

1996

• [ ] Corwin (Director) 

1998

• [ ] The Hudson Riverkeepers (Director) 

2000

• [ ] The Waterkeepers (Director) 

2009

• [ ] Skiing Everest (Director) 

2020

• [ ] LIGO (Director) 

1996

• [ ] Corwin (Producer) 

2000

• [ ] The Waterkeepers (Producer) 
• [ ] The Waterkeepers (Executive Producer) 

2000

• [ ] The Waterkeepers (Editor) 

2000

• [ ] The Waterkeepers (Cinematography) 

1996

• [ ] Corwin (Writer) 

1998

• [ ] The Hudson Riverkeepers (Writer) 

2000

• [ ] The Waterkeepers (Writer) 

2006

• [ ] Churning the Sea of Time: A Journey Up the Mekong to Angkor (Self - Narrator)