Michael Riley

as Paul Devereaux

Simon Reynolds

as Mac McNaughton

Michael Hogan

as Chief Engineer

Henry Czerny

as Petty Officer Lang (Coxswain)

Robyn Stevan

as Ivy

David Hemblen

as Oldbest

Gary Vermeir

as Collins (Executive Officer)

Martin Julien

as Canelli

Elizabeth Marmur

as Ann Conwell

Adrian Hough

as Harry Conwell

Chris Turner

as Sub Lt. Pooley

Sam Mancuso

as Dimitri

Jeremy Akerman

as Prescott

Bernard Robichaud

as Tiffey

Shannon Lynch

as Morrison

Andrew Cochrane

as Richards

Brian Heighton

as Young

Sean Curran

as Cafferty