Abstract: A laser disk cassette selecting system comprising a cassette case having a plurality of housing cavities in a multi-layered or sequential form for housing laser disks or cassettes, a cassette or disk case holding member for detachably mounting the case, a driving motor for moving the case holding member up or down, a forwarding device which forwards a selected laser disk or cassette in the case into a disk or cassette player, whereby the laser disk or cassette is selectively forwarded into the disk or cassette player after a certain positioning operation occurs to orient the selected disk or cassette with the player.