Jack Aitken
Filipe Albuquerque
James Allen
Christopher Allen
Sebastian Alvarez
Dennis Andersen
Julien Andlauer
Jarett Andretti
Bill Auberlen
Lucas Auer
Klaus Bachler
Alessandro Balzan
Earl Bamber
Joao Barbosa
Ben Barnicoat
Till Bechtolsheimer
Matthew Bell
Andrea Bertolini
Jeroen Bleekemolen
Tom Blomqvist
Connor Bloum
Mirko Bortolotti
Nick Boulle
Sebastien Bourdais
Sarah Bovy
Wayne Boyd
Colin Braun
Ryan Briscoe
David Brule
Gianmaria Bruni
Alan Brynjolfsson
Josh Burdon
James Calado
Andrea Caldarelli
Dane Cameron
Matt Campbell
Julien Canal
Francesco Castellacci
Helio Castroneves
Paul-Loup Chatin
Gabby Chaves
Michael Christensen
Austin Cindric
Mike Conway
Jaden Conwright
Ryan Dalziel
Andrew Davis
Roman De Angelis
Guilherme de Oliveira
Connor De Phillippi
John DeAngleis
Devlin DeFrancesco
Alessio Deledda
Louis Deletraz
Pipo Derani
Dakota Dickerson
Michael Dinan
Scott Dixon
Indy Dontje
John Edwards
Philip Ellis
Philipp Eng
Maro Engel
Trenton Estep
Kevin Estre
Jaxon Evans
John Farano
Augusto Farfus
Mario Farnbacher
Orey Fidani
Mason Filippi
Pietro Fittipaldi
Anders Fjorbach
Robby Foley
Danny Formal
Felipe Fraga
James French
Rahel Frey
Antonio Fuoco
Patrick Gallagher
Antonio Garcia
Michelle Gatting
Raffaele Giammaria
Ted Giovanis
Maximilian Goetz
Misha Goikhberg
Jules Gounon
Mikael Grenier
Romain Grosjean
Ross Gunn
Esteban Gutierrez
Kenny Habul
Ben Hanley
Ryan Hardwick
Ashton Harrison
Jason Hart
Brendon Hartley
Jack Hawksworth
Francois Heriau
Colton Herta
Jan Heylen
Trent Hindman
Benja Hites
Scott Huffaker
Chandler Hull
PJ Hyett
Rolf Ineichen
Brendan Iribe
Ian James
Mathieu Jaminet
Oliver Jarvis
Gunnar Jeannette
Axcil Jeffries
Mikkel Jensen
Ed Jones
Daniel Juncadella
Yu Kanamaru
Ben Keating
Lars Kern
Marvin Kirchhofer
Kyle Kirkwood
Jens Klingmann
Kenton Koch
Moritz Kranz
George Kurtz
Mark Kvamme
Roberto Lacorte
Andy Lally
Nicolas Lapierre
Katherine Legge
Corey Lewis
Kerong Li
Rasmus Lindh
Eric Lux
Alex Lynn
Cooper MacNeil
Jan Magnussen
Simon Mann
Anthony Mantella
Marco Mapelli
Kyle Marcelli
Raffaele Marciello
Luca Mars
Maxime Martin
Scott McLaughlin
Matt McMurry
Robert Megennis
Thomas Merrill
Dwight Merriman
Alan Metni
Christopher Mies
Marc Miller
Ollie Millroy
Tommy Milner
Miguel Molina
Sheena Monk
Frankie Montecalvo
Felipe Nasr
Josef Newgarden
Nicklas Nielsen
Dennis Olsen
Simon Pagenaud
Jordan Pepper
Franck Perera
Luis Perez Companc
Francois Perrodo
Alessandro Pier Guidi
Josh Pierson
Patrick Pilet
Doriane Pin
Nico Pino
David Pittard
Hugh Plumb
Matt Plumb
Fred Poordad
John Potter
Seb Priaulx
Spencer Pumpelly
Alex Quinn
Christian Rasmussen
Alex Riberas
Davide Rigon
Zacharie Robichon
Gar Robinson
Mike Rockenfeller
Maxwell Root
Alessio Rovera
Charles Scardina
Frederik Schandorff
Claudio Schiavoni
Fabian Schiller
Bryan Sellers
Giorgio Sernagiotto
Daniel Serra
Antonio Serravalle
Cameron Shields
Nolan Siegel
Kyffin Simpson
Alexander Sims
Mike Skeen
Madison Snow
Marco Sorensen
Bruno Spengler
Loris Spinelli
Luca Stolz
Nick Tandy
Jordan Taylor
Ricky Taylor
Aaron Telitz
Nicki Thiim
Steven Thomas
Parker Thompson
Harry Tincknell
Onofrio Triarsi
Owen Trinkler
Darren Turner
Alec Udell
Kay van Berlo
Glenn van Berlo
Giedo van der Garde
Tijmen van der Helm
Sheldon van der Linde
Renger van der Zande
Job Van Uitert
James Vance
Laurens Vanthoor
Nico Varrone
Matthieu Vaxiviere
Rinus Veekay
Russell Ward
Richard Westbrook
Lance Willsey
Marco Wittmann
Nick Yelloly
Don Yount