Revolution OS

Susan Egan plays the role of the narrator in Revolution OS.

Linus Torvalds portrays himself, the creator of the Linux Kernel, in Revolution OS.

Richard M. Stallman appears as himself, the founder of the GNU Project, in Revolution OS.

Eric S. Raymond is featured as himself, an author, in Revolution OS.

Bruce Perens plays himself, an author of the Open Source Definition, in Revolution OS.

Larry Augustin is seen as himself, the co-founder and CEO of VA Linux Systems, in Revolution OS.

Michael Tiemann is cast as himself, the co-founder of Cygnus Solutions, in Revolution OS.

Brian Behlendorf takes on the role of himself in Revolution OS.