Jonny Lee Miller as Graeme Obree

Sean Brown as Young Graeme Obree

Joseph Carney as Child Gang Leader

Billy Boyd as Malky

Laura Fraser as Anne Obree

Brian Cox as Douglas Baxter

Ron Donachie as Scobie

Morven Christie as Katie

David Hounslow as "Specialized" Representative

Gary Hollywood as Cycle Courier

Pauline Lynch as Second Office Receptionist

Moray Hunter as Armstrong

Steven Berkoff as Ernst Hagemann

Niall Greig Fulton as Adult Gang Leader

Adrian Grove as Chris Boardman