H2O

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