En Acción is the first live album by the Argentine hard rock band Riff, released in 1983 by Tonodisc. This album was recorded at the Obras Sanitarias Stadium in Buenos Aires, during the shows on April 9 and 10, 1983, and featured the participation of Danny Peyronel (Michel's brother) as a guest musician, on keyboards and voice. En Acción was originally released as two vinyl LPs, it was reissued on CD in 1992 by Musimundo S.A., not having the rights to put the original cover on it, a different cover was put on it. It was finally correctly remastered and reissued on CD by the DBN record label in 2006.

UPC/EAN CODE: 656291195125

1 Introducción/Maquinación

2 Mucho Por Hacer

3 Mal Romance

4 La Dama Del Lago

5 Ruedas De Metal

6 No Pasa Nada En Esta Ciudad

7 Macadam 3...2...1...0

8 Susy Cadillac 4:50

9 Pantalla Del Mundo Nuevo

10 Héroes Del Asfalto