Rowan Atkinson, famously known as Mr Bean & from the Blackadder Series, suffered a shoulder injury Near Peterborough.
He is said to have walked from the car, which caught fire, after the crash on the A605 at Haddon on Thursday evening and then after calling an ambulance, waited at the side of the road.
Atkinson, 56, was admitted to Peterborough City Hospital and discharged on Friday afternoon.
A spokeswoman for Cambridgeshire Fire and Rescue Service said: "Crews brought the fire under control by 8.13pm. They made the vehicle safe and used one hose reel to put out the fire.