I tried to search for it, but it seems like there has never been a thread for this tv-series. It's rather popular here in Italy, but I do not know if it has reached fame in the US.
Anyway, my typings of the protagonists:
Charlie Eppes - ENTj-Ni
Don Eppes -ISFj-Se
Alan Eppes (the father) - ISFj-Se
Megan Reeves - ESFj-Fe
David Sinclair - ESTj-Si
Colby Granger - ESFp-Fi