Spanish Source
short snip from the article using Google Translate:
Considered one of the top television productions, the series will air Roma completely dubbed into Spanish from 2 August for the new channel HBO2, managers reported that medium.
Rome, the multi-series consisting of 26 programs in two seasons, will move from Monday to Friday at 22 hours for 60 minutes, the new channel Home Box Office, which is already a little over a month series transmissions original dubbed into Spanish....
...The parade of historical characters of the series-the most expensive production in history, at a cost of $ 100 million-including Mark Antony, Julius Caesar, Cleopatra, Pompey the Great, the soldiers Lucius Vorenus and Titus Pullo, who are embodied by actors of the caliber of Kevin McKidd, Ray Stevenson, Lindsay Duncan, Tobias Menzies.