PEDRO (Carlos Fuentes) arrives at Km. 0 full of innocence and passion to become a film director. He has arranged to meet an actress friend of his sister's, Silvia, who he has never seen before and who will take him back to stay at her place.
SILVIA (Mercé Pons) is a thirty-five year-old actress whose talent is wasted doing soap operas. Frightened by the speed with which time is rushing by, she is determined to do whatever it takes to get the role she wants…and succeed.
MARIO (Tristan Ulloa) A waiter in a bar at Puerta del Sol, his secret ambition is to open up a camera shop of his own. His fiancée on the other hand, Amor, is only interested in stability, bullying him into conforming.
AMOR (Silke) Mario's girlfriend is simple "chic" with just one goal: marriage. A romantic, she believes in fairy tales…and in one afternoon, is robbed three times.
MIGUEL (Jesús Cabrero) A male escort and proud of it. Life is good for him and he is a happy man. He does his work gets paid for it, and everything is just fine…
BENJAMÍN (Miguel García) Miguel's roommate. He believe in Cupid and "love at first sight" and wants to find the perfect partner more than anything else in the world.
SERGIO (Alberto San Juan) A grey suit wearing, little civil servant - and is still a virgin! Terrified by his upcoming marriage, he is looking for a professional to show him the "ropes" to prepare him for his wedding night.
BRUNO (Victor Ullate Jr.) Extremely ambitious, dancing is his life. He wants no commitments, no romance. Sex is just something he looks for on the internet.
TATIANA (Elisa Matilla) A prostitute at the cheaper end of the range. She lives a dog's life, just hoping to have enough money to pay her bills and not be beaten up by the clients.
GERARDO (Georges Corraface) A theater director who is on his way to a casting session for a new play when he has a traffic accident in Puerta del Sol. Trapped and frustrated, his patience is tested.
ROMA (Cora Tiedra) An adolescent desperate to get experience in life and love so that the man she loves will notice her.
POLICE OFFICER (Roberto Álamo) An infantile and impulsive policeman whose romanticism is all tied up in a childhood full
of rejection and loss.
