Ethan Hawke
Role: Nikola Tesla
Eve Hewson
Role: Anne Morgan
Jim Gaffigan
Role: George Westinghouse
Kyle MacLachlan
Role: Thomas Edison
Donnie Keshawarz
Role: J.P. Morgan
Josh Hamilton
Role: Robert Underwood Johnson
Ebon Moss-Bachrach
Role: Anital Szigeti
Lucy Walters
Role: Katherine Johnson
John Palladino
Role: Bourke Cochran
Michael Mastro
Role: Charles Peck
Hannah Gross
Role: Mina Edison
Peter Greene
Role: Nichols
Blake DeLong
Role: William Kemmler
Karl Geary
Role: Francis Upton
James Urbaniak
Role: Professor Anthony
Eli Smith
Role: Roller Skating Fiddler
Dan Bittner
Role: Fred Ott
David Kallaway
Role: John Kruesi
Nicholas Wuehrmann
Role: Ed the Organist
Haley Elise Pehrson
Role: Tesla's Mother
Tony Hutaj
Role: Bill Edison
Corban Elwick-Schermitz
Role: Tom Edison Jr.
Emory Gleeson
Role: Dot Edison
Ian Lithgow
Role: Alfred Brown
Emma Clare O'Connor
Role: Evelyn
Gary Rissman
Role: Man Comforting Dog
Steven Gurewitz
Role: Harold P. Brown
Rick Zahn
Role: Tracy Becker
Lois Smith
Role: The Grande Dame
Tallulah McRae Silovsky
Role: Young Anne Morgan
Hermione Heckrich
Role: Agnes Johnson
Tom Farrell
Role: Warden Durston
Thomas Roma
Role: Prison Doctor
Vincent De Paul
Role: Westinghouse Assistant
Christian Hicks
Role: Waiter
Rebecca Dayan
Role: Sarah Bernhardt
Jameal Ali
Role: Swami Vivekananda
David Weinberg
Role: Fritz Lowenstein
Paul Saltzberg
Role: Alta Vista Waiter
Joshuah Melnick
Role: Richard Gregg
Charles Baran
Role: Alta Vista Concierge
David Kubicka
Role: Alta Vista Violinist
Carl Bernzweig
Role: J.P. Morgan's Assistant
George Aloi
Role: Science Society President (uncredited)
Gary Ayash
Role: Science Society Dignitary (uncredited)
Eli A. Smith
Role: Roller Skating Fiddler
