The invention relates to an actuation device especially for actuating a transmission for selecting a gear step and engaging and disengaging the selected gear step and/or for actuating at least one clutch. Said actuation device comprises at least one rotatable roll element that has guide tracks, into each of which a contact element of a selector fork engages to move the selector fork in order to select and engage or disengage a gear step of a transmission, and an actuation region for a clutch actuation means for actuating the at least one clutch.