"Valio La Pena" is not a movie or television show but a popular salsa song performed by Marc Anthony. Released in 2004, it became a massive hit and solidified Anthony's reputation as one of the top Latin music artists. The song features lively salsa rhythms, catchy hooks, and Anthony's powerful vocals. It is a celebration of love and passion, with lyrics expressing how the difficulties faced in a relationship were worth it in the end. The cast list is not applicable as it is a song, not a visual production. You can enjoy and download the song "Valio La Pena" by Marc Anthony from various music platforms online.