 | Mahmoud Abu-Zeid | ... | Himself - President, World Water Council |
 | Bill Alexander | ... | Himself - CEO, Thames Water |
 | Dezaraye Bagalayos | ... | Herself - Citizens Coalition |
 | Maude Barlow | ... | Herself - Chair, Council of Canadians |
 | Satinder Bindra | ... | Himself (archive footage) |
 | John Briscoe | ... | Himself - Senior Water Advisor, World Bank |
 | Dean Cofer | ... | Himself - Operating Engineers Union |
 | Don Evans | ... | Himself - President, OMI |
 | Dreda Gaines | ... | Herself - Vice President, Thames Water America |
 | Sylvia Kothe | ... | Herself - Chair, Citizens Coalition |
 | Bill Loyko | ... | Himself - Citzens Coalition |
 | Michael McDonald | ... | Himself - Supervisor, Stockton Municipal Wastewater Plant |
 | Crown Prince Naruhito | ... | Himself (as Prince Naruhito of Japan) |
 | Oscar Olivera | ... | Himself - La Coordinadora, Bolivia |
 | Gérard Payen | ... | Himself - CEO, Ondeo / Suez Water |
 | Gary Podesto | ... | Himself - Mayor of Stockton, CA |
 | Larry Ruhstaller | ... | Himself - Restaurant Owner, City Council Member |
 | Rajendra Singh | ... | Himself - Activist |
 | Pablo Solon | ... | Himself - Bolivia |
 | Holly Wren Spaulding | ... | Herself - Activist |
 | Dale Stocking | ... | Himself - Orthodontist |
 | Peter Woicke | ... | Himself - Managing Director, The World Bank |