Bringing the festival to a close on Sunday will be Seann Walsh, Mark Simmons, Maisie Adam and host Ninia Benjamin. Mr Robertson said: "There is such an appetite for people wanting to get out and do things and there is going to be a boom in Norwich this summer. Seann Walsh will appear at Laugh in the Park in Norwich's Chapelfield Gardens this summer. - Credit: Laugh in the Park "We always like to give a balance of representation with a few newcomers." New for 2021, Laugh in the Park will be followed by Movies in the Park from Wednesday, August 4 to Sunday, August 8.