F1 1978 world champion Mario Andretti

 

F1 1996 world champion Damon Hill

 
 

F1 1992 world champion Nigel Mansell

 

Ex-F1 driver and GPDA chairman Alex Wurz

 

Ex-F1 driver Mark Webber

 

Ex-F1 driver Allan McNish

 

Ex-F1 and current WEC driver Giedo van der Garde

 

Ex-F1 and current IndyCar driver Max Chilton

 

IndyCar driver Felix Rosenqvist

 

Formula E driver Daniel Abt

 

Two-time BTCC champion Jason Plato

 

Seven-time NASCAR Cup champion Jimmie Johnson

 

NASCAR driver and analyst Parker Kligerman

 

More on the Canadian GP controversy: