On the Front Line is the fifth album from hardcore punk band The Casualties.

It is their second release under Side One Dummy Records, and arguably their most famous with that label.

It was released in 2004, and re-released in 2005, as En la Línea del Frente, which was recorded with Spanish vocals, the mother tongue of Jorge, lead singer.

All music is composed by The Casualties This article about a punk rock album from the 2000s is a stub.

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