The invention relates to a rocker actuator (1) switchable to different cam travels. The inventive rocker actuator (1) comprises an external lever (2) which is arranged between the arms (3) and to which an internal lever (4) is pivotally connected. Said invention is characterised in that longitudinally movable connecting means (5) are arranged in the internal lever (4) at the level of the end (9) thereof and that said means are inward displaceable in the direction of the end (9) in such a way that they are meshed under the surface of the pusher dog (18) of the transversal element of the external lever (2)