Keith Carradine as Harry Whitney

Tina Majorino as Toni Whitney

Keith Szarabajka as Billy Baker

Chelsea Field as Thalice Whitney

Joshua Jackson as Mark Baker

Aidan Pendleton as Paula Whitney

Jay Brazeau as Griff Armstrong

Shane Meier as Steve Whitney

Shirley Broderick as Mrs. McCann

Andrea Libman as Mary May

Bill Dow as Ellwyn

Joy Coghill as Betsy

Stephen Dimopoulos as Dan Snow

Frank C. Turner as John Miller

Kristian Ayre as Gerald

Gregory Smith as Bobby

Ric Reid as Henry White

Duncan Fraser as Jack Adams

Gary Jones as Lance Tindall

Teryl Rothery as Jennifer Fife

Douglas Newell as Lou

Annette O'Toole as Adult Voice of Toni

Tory the Sea Lion as Andre The Seal