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 Šafařík
(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)