H2O: Cast
Paul Gross
Thomas David McLaughlin
Leslie Hope
Sgt. Leah Collins
Guy Nadon
Marc Lavigne
Martha Henry
Julia McLaughlin
Callum Keith Rennie
Don Pritchard / Lt. Daniel Holt
Michael Murphy
U.S. Ambassador Conrad
Tommie-Amber Pirie
Sally
Tantoo Cardinal
Grand Chief Katie Blackfire
Karen Robinson
Willy
Dean McDermott
Clark
Barry Flatman
Cam Ritchie
Louise Portal
Marie Lavigne
Philip Akin
U.S. President Monroe
Peter MacNeill
Police Chief
Jeff Pustil
Deever
Diego Matamoros
Doug McKay
Jeff Seymour
Nate Morgan
Nancy Palk
Deirdre Milnes
Allan Hawco
Christy Berger
Jeff Clarke
Jim, McLaughlin's aide
Kedar Brown
McLaughlin's aide
David Boutin
Det. Michel Duguay
Yves Jacques
Québec Premier Marcel Coté
Gordon Pinsent
Michael Cameron
Kenneth Welsh
Randall Spear
Pierre Brault
Chief Inspector Simonds