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