 Hamann acted in Loriot's films "Ödipussi" (1987) and "Pappa Ante Portas" (1991).She also appeared in the film "Piratensender Powerplay" (1982) starring famous German entertainers Thomas Gottschalk and Mike Krüger.Hamann appeared as housekeeper Karsta Michaelis in the television soap opera "The Black Forest Clinic" in the 1980s and later as Thea in medical drama "Der Landarzt" (The Country Doctor).