The British actor – out in Los Angeles to try make it as a star stateside – had a crowd of film makers and industry VIPs in stitches as he larked around on stage.
He was taking part in an event called the 24 Hour Plays with an array of Hollywood stars including Eva Mendes and Jenna Elfman.
At the start of his play – called Gotham Autopsy – Smith was covered in a sheet in a mortuary before he came to life as a confused Batman. Comedian and Don't Mess With Zohan star Nick Swardson starred as Robin. Also in his play was Kick Ass star Lyndsy Fonseca and fellow Brit Saffron Burrows. Half-way through the 20 minute skit Smith dropped his fake American accent and became a cockney to huge laughs from the audience.Read more at www.telegraph.co.uk