Harry Potter star Tom Felton was carried off a Wisconsin golf course after collapsing during a celebrity match ahead of the Ryder Cup.
Pictures showed him conscious while being removed in a cart.
Felton is well known for playing Harry Potter's rival Draco Malfoy in the film franchise.
A keen golfer, Mr Felton was representing Europe alongside former professional ice hockey player Teemu Selanne, from Finland, in the celebrity tournament at Whistling Straits
They were playing against 1980 US Olympic hockey captain Mike Eurzione and Olympic speed skater Dan Jansen.