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

Jan V. Sacher