Tim Jarvis

as Self/Self - Presenter

William McInnes

as Self/Self - Narrator (voice)

John Stoukalo

as Self/Self - double: Mertz

Jason Stewart

as Douglas Mawson

David Ritchie

as Douglas Mawson (voice)

Philip Ayres

as Self - Mawson Biographer

Iain McGuire

as Xavier Mertz

Sir Douglas Mawson

as Self (archive footage) (uncredited)