The actor, who has starred in An American Werewolf in London and U.K. TV shows Z Cars and Shameless, was performing in the musical Carousel when he fell ill while in the wings of the Grand Theatre in Leeds, England.
Woodvine, who has enjoyed a long career with the Royal Shakespeare Company, was admitted to a local medical centre, where he is now recovering.
Eyewtiness John Wilford tells The Press Association, "Suddenly the action on stage appeared to slow down and stumble. Then suddenly the safety curtain came down. A man reached into the orchestra pit and told the conductor to stop playing. He jumped on stage and said: 'Is there a doctor in the house?' There was a surprised silence."