F·默里·亚伯拉罕

Fahrid Murray Abraham

饰：Narrator,

于尔根·雷恩

Jürgen Renn

饰：自己

Robert Schulmann

饰：Himself - Einstein Papers Project: Boston University

Julian Barbour

饰：Himself - Independent Researcher

Abraham Pais

饰：Himself - Rockefeller University

Gabrielle Oppenheim

饰：Herself - Family Friend

Peter Plesch

饰：Himself - Family Friend

安德鲁·萨克斯

Andrew Sachs

饰：自己

加来道雄

Michio Kaku

饰：自己

Martin Klein

饰：自己

Françoise Balibar

Françoise Balibar

饰：Self - Universite de Paris