Kissing My Sister Teen brother and sister who rarely get to see each other fall in love with one another one summer. Details Casts Galleries Posters Title Kissing My Sister Release Date 2000-04-18 Runtime 01 Hours 30 Minutes Genres Romance Drama TV Movie Production Companies RTL, teamWorx Production Countries Germany Florian Heiden... Mattis Lomberg... Alexandra Schalaudek... Mieke Lomberg... August Zirner... Jan Lomberg... Christian Wunderlich... Felix... Friederike Wagner... Simona, Jan's girl friend... Vanessa Jung... Lena... Stefan Born... Sebastian Höfler... Original Size (1280x720) Original Size (500x750) Original Size (500x750) Original Size (500x750) Original Size (500x750)