Anne Heche as Dr. Tess Martin

James Tupper as Jack Bowen

Kevin McNulty as Mayor Jim Tanner

Laura Bertram as Anna

Tobias Slezak as Major Stein

Daniel Bacon as Dr. Raj Patel

Barclay Hope as CEO Dick Taylor

Nicola Anderson as Nurse Emily

Cheryl Uphill as Heather

Jamie Switch as Jason

Patricia Mayen-Salazar as Maria Habentes

David Milchard as Tom Conner

Ralph Alderman as Edgar

Gerry Rousseau as Alex