Tesla

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