El Puma, a Mexican desert guide, escorts an archaeological expedition headed by Professor Lucius Lloyd through the Indian badlands of Mexico. Marian, the professor's niece accompanies the party as only she can translate the Aztec writings in the diary of … Tim McCoy, Joyce Bryant, Ben Corbett, Ted Adams, Budd Buster, Dave O'Brien, Forrest Taylor Added on Amazon Prime 2023-02-08.