cast
Series Regulars
Johnny Flynn
as Young Albert Einstein
Geoffrey Rush
as Albert Einstein
Recurring & Guests
Jon Fletcher
as Marcel Grossmann
TR Knight
as J. Edgar Hoover
Emily Watson
as Elsa Einstein
Seth Gabel
as Michele Besso
Michael McElhatton
as Dr. Philipp Lenard
Ralph Brown
as Max Planck
Vincent Kartheiser
as Raymond Geist