The Secret Sam and Amanda are friends. One day, they accidentally throw Sam's sister's diaries in the garbage can and have to trace them to the city dump. Details Casts Title The Secret Release Date 1990-02-15 Runtime 01 Hours 45 Minutes Genres Comedy Family Drama Production Companies Drakfilm Produktion, Sandrews, Landsorganisationen Production Countries Sweden Carl-Gustaf Lindstedt... Valdemar... Sif Ruud... Greta... Susanna Björklund... Amanda... Peter Öberg... Sam... Jan Waldekranz... Amandas pappa... Susanne Barklund... Ellinor, Amandas mamma... Suzanne Reuter... Sams mamma... Rolf Skoglund... Sams pappa... Malin Berghagen... Sofia, Sams syster... Jonas Uddenmyr... polis... Mimi Pollak... Ester... Leif Löf... ... Per Eggers... ... Anna Godenius... ... Per Myrberg... ... Britta Pettersson... ... Björn Löfgren... ... Kent Olofsson... ... Sune Lindgren... ... Olle Nyquist... ... Clas Lindberg... ... Sofia Thorngren... ... Linus Wahlgren... ... Eva Kaxe... ... Olov Yderstedt... ... Maja Lagerkrantz... ... Toni Lohiniva... ...