EW Staff
March 19, 2012 AT 12:00 PM EDT

Image Credit: Bobby Bank/WireImage.comThe death knell has sounded even louder for Terra Nova, the freshman dino drama that’s busy hunting for a new home now that Fox canceled it. To wit: star Jason O’Mara just booked a co-leading role in CBS’ high-profile period drama about Las Vegas lawdog Ralph Lamb.

O’Mara will join Dennis Quaid and Michael Chiklis in the drama pilot from writers Nicholas Pileggi and Greg Walker, reports Deadline. Quaid will play Lamb while O’Mara will play his younger brother Frank. Chiklis gets to chuck the white hat for a change and play a Chicago mob fixer.

This is a second position booking for O’Mara, meaning if another outlet picks up Terra NovaNetflix maybe? — he won’t join the CBS project. But working alongside Quaid and Chiklis sounds a heckuva lot better than acting scared in front of faux prehistoric creatures. Just saying…

Read more:

CBS lassos Denis Quaid, Michael Chiklis for ’60s period drama

The leading men (in contention) for fall 2012 are…

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