Guest Stars Adam Langton as Pilot Peter Siebold Greg Lanzillotta as WK-2 Co-PIlot Dimitri Vantis as NTSB Investigator Neil Girvan as Flight Director Mark MacRae as Co-Pilot Michael Alsbury Chris Baker as Scaled Composites Engineer Peter Deiwick as WK-2 Pilot Marnie Robinson as NTSB Lead Investigator Lorenda Ward Erik Seedhouse as Himself Scott Altman as Himself Lorenda Ward as Herself Michael Bauer as Himself Katherine Wilson as Herself