Casting | Rôle |
|---|
| Alfre Woodard | Narrator (voice) |
| Marc Reisner | Self - Author, 'Cadillac Desert' |
| Catherine Mulholland | Self - William Mullholand's Granddaughter |
| Clara Rambeau | Self - Elder, Owens Valley Paiute Tribe |
| Kevin Starr | Self - California State Librarian |
| Robert Towne | Self - Screenwriter, 'Chinatown' |
| Ernie Kinney | Self - Owens Valley Resident |
| Cynthia Irwin | Self - Owens Valley Resident |
| Flora Nash | Self - Owens Valley Resident |
| Howard Holland | Self - Owens Valley Resident |
| Vernon Miller | Self - Chairman, Fort Independence Tribe |
| Robert Phillips | Self - General Manager, Chief Engineer 1972-75 |
| George Miller | Self - Congressman, California |
| Elma Blaver | Self - Mono Lake Resident |
| Sally Gaines | Self - Co-Founder, Mono Lake Committee |
| David Gaines | Self - Co-Founder, Mono Lake Committee (archive footage) |
| Augie Hess | Self - Mono Lake Resident |
| Patricia Mulroy | Self - Manager, Las Vegas Valley Water District |
| Blaine Hamann | Self - Manager, Hoover Dam |
| Barry Goldwater | Self - U.S. Senator, Arizona |
| Floyd Dominy | Self - Commissioner of Reclamation, 1959-1969 |
| Daniel Beard | Self - Commissioner of Reclamation, 1993-1995 |
| David Brower | Self - Executive Director, Sierra Club |
| Tommy Nelson | Self - Hoover Dam Construction Worker |
| Ila Clements | Self - Daughter of Hoover Dam Worker |
| Ferrell Secakuku | Self - Chairman, Hopi Tribe |
| David Wegner | Self - Manager, Glen Canyon Environmental Studies |
| Katie Lee | Self - River Runner |
| Martin Litton | Self - Sierra Club Board of Directors |
| Jack Woolf | Self - Grower |
| Leland Sparks | Self |
| Martin Semper | Self - Semper Truck Lines |
| Jeff Edwards | Self - Tulare Basin |
| Kathleen Brown | Self - California State Treasurer |
| Pete Peña Jr. | Self - Truck Driver |
| Pete Peña Sr. | Self - Farm Laborer |
| Jason Peltier | Self - Manager, CVP Water Association |
| Dean MacCannell | Self - Sociologist, University of California |
| Tony Silva | Self - Mayor of Huron, 1978 |
| Gary Zahm | Self - US Fish & Wildlife Service |
| John Harris | Self - Westlands Grower |
| Sandra Postel | Self - Author, 'Last Oasis' |
| Harris Chan | Self - Three Gorges Engineer |
| Tiahoga Ruge | Self - Director, CICEANA |
| Hillel Shuval | Self - Hebrew University, Jerusalem |
| Amos Banin | Self - Hebrew University, Rehovot |
| Jad Isaac | Self - Director, Applied Research Institute, Bethlehem |
| Dan Luecke | Self - Environmental Defense Fund |
| Charles Wilkinson | Self - Professor of Law, University of Colorado |
| Ken Strom | Self - National Audubon Society |
| Chips Barry | Self - Director, Denver Water Department |
| Steven Flanders | Self - City Ice Company |
| Glenn France | Self - Casa Del Agua, Tucson, AZ |
| Elsa Lopez | Self - Metropolitan Water District |
| Martha Davis | Self - Exec. Director, Mono Lake Committee |
| Alejandro Robles | Self - Conservation International |
| Franklin D. Roosevelt | Self (archive footage) |
| John F. Kennedy | Self (archive footage) |
| Jimmy Carter | Self (archive footage) |
| Bill Clinton | Self (archive footage) |
| George H. W. Bush | Self (archive footage) |
