H2O The Last Prime Minister When Canada's Prime Minister drowns in what appears to be a boating accident, his son takes office and is drawn into a deceptive world of power and corruption. Details Casts Posters Title H2O Release Date 2004-10-31 Runtime 02 Hours 57 Minutes Genres Drama Thriller Production Companies CBC, Whizbang Films Production Countries Canada Paul Gross... Thomas David McLaughlin... Leslie Hope... Sgt. Leah Collins... Guy Nadon... Marc Lavigne... Martha Henry... Julia McLaughlin... Callum Keith Rennie... Don Pritchard / Lt. Danie... Michael Murphy... U.S. Ambassador Conrad... Tommie-Amber Pirie... Sally... Tantoo Cardinal... Grand Chief Katie Blackfi... Original Size (667x1000)