Former grand prix driver Christian Klien will make his debut in the Superstars series at the Hungaroring this weekend.
The Austrian will join the Swiss team for the event, driving a Maserati Quattroporte.
Swiss won the 2011 Superstars title with Andrea Bertolini and has had drivers like Mika Salo, Christian Fittipaldi and Johnny Herbert in its line-up this year.
Earlier this year, Klien joined Walkinshaw Racing to compete in the endurance races in the V8 Supercar championship.
"As a racer you can hardly stay away from a 500 HP beast when you are invited to compete against your old mate like Tonio Liuzzi," said Klien.
"This opportunity perfectly fits my tight schedule between working in the F1 simulator on race weekends for Williams F1 and heading to Australia to go testing with Walkinshaw Racing the week after. Your skills and reflexes can never get enough practice to stay sharp.
"This Superstars outing will be a great way to prepare for some other big races I have later in the year, like the V8 Supercar races at Sandown and Bathurst."
Former World Touring Car Championship race winner Norbert Michelisz will also make his debut in the race for Scuderia Guidici in a BMW M3.