Robert Aymar
Self
Peter Chochula
Self
Richard Feynman
Self (archive footage)
Donald A. Glaser
Self
Stephen Hawking
Self (voice)
Peter Higgs
Self
Andrea Musso
Self
Otto E. Rössler
Self
Karel Å afaÅ™Ãk
Self
Paul Scherrer
Self (archive footage)
Jürgen Schukraft
Self
Richard Scrivens
Self
Zdeněk Sekera
Self
Christopher Llewellyn Smith
Self
Jack Steinberger
Self
Martinus J. G. Veltman
Self