 Susan EganNarrator | Narrator |
 Linus TorvaldsHimself - Creator, Linux Kernel | Himself - Creator, Linux Kernel |
 Richard M. StallmanHimself - Founder, GNU Project | Himself - Founder, GNU Project |
 Eric S. RaymondHimself - Author | Himself - Author |
| BBruce PerensHimself - Author, Open Source Definition | Himself - Author, Open Source Definition |
| LLarry AugustinHimself - Co-Founder, CEO, VA Linux Systems | Himself - Co-Founder, CEO, VA Linux Systems |
| MMichael TiemannHimself - Co-Founder, Cygnus Solutions | Himself - Co-Founder, Cygnus Solutions |
| BBrian BehlendorfHimself | Himself |
| FFrank HeckerHimself - Former Netscape Systems Engineer | Himself - Former Netscape Systems Engineer |
| CChris DiBonaHimself | Himself |
| NNick MoffittHimself | Himself |
| RRob MaldaHimself | Himself |
| DDonnie BarnesHimself - Employee, Red Hat Software | Himself - Employee, Red Hat Software |
| MMarc MerlinHimself | Himself |
| TTerry EganHimself | Himself |
| LLisa CorsettiHerself | Herself |
 David LjungHimself | Himself |
| JJosé MedeirosHimself | Himself |
| RRuss EmersonHimself | Himself |
| PPatrick DevineHimself | Himself |
