On the visual 24R in CLE, told to contact the tower at the marker, we were never told that there would be traffic landing the *close* parallel 24L by either approach or tower. At around 1000 AGL, on the glide, we get a TA, traffic at +01 (100') right on top of our position. We can't see anything, so we stay on the approach with no RA. Suddenly, we see the shadow of a Dash 8 less that 100' above us maneuvering back to the centerline of 24L. Dumb SOBs overshot the runway and nearly killed 80 or so people. Not to mention they put the gear down at about 400', completely disregarding a stabilized approach. I guess clear and calm really is the most dangerous time to fly.

Needless to say, I got the phone number for CLE approach and the tail number of the other aircraft and the CA and myself had a fun little conversation with them about paying attention when the blips get too close. Unbelievable that it could happen in Class B Airspace.