Police investigating an incident of assault and criminal damage in Ely last month are appealing for information on the whereabouts of Steve Marcell.
Officers want to speak to 41-year-old Marcell in connection with an incident on October 16.
Detectives described him as black, 6ft3in tall, with short black hair, brown eyes, a moustache, and a small gap between his front teeth.
He is also said to have a Caribbean-type accent and is sometimes know as Andre.
Anyone with information, or the individual himself, should contact South Wales Police on 101, Crimestoppers anonymously on 0800 555 111 or their nearest police station.