Jon Hohauser
— Narrator
Karen Sandler
— Self
Evan Henshaw-Plath
— Self
Linus Torvalds
— Self
Laura Thompson
— Self
Jono Bacon
— Self
Bradley Kuhn
— Self
Dennis O'Flynn
— Self
Arthur Richards
— Self
William Stein
— Self
Greg Kroah-Hartman
— Self
Brian Ashley
— Self
Michael Meeks
— Self
Laura Thomson
— Self
Adam Bratt
— Self
Lily Hittle
— Self
Sorin Draghici
— Self
Elizabeth Peters
— Self
Andrew Olson
— Self
Dave Lang
— Self
Guy Martin
— Self
Damian Wieczorek
— Self
Pavleen Thukral
— Self
Adam Johnson
— Self
Sergio Pantoja
— Self
Solomon Dkell
— Self
Danielle Chen
— Self