 It has been conjectured, though the dating of his governorship might argue to the contrary, that he was among those attending the conference held April 56 BC in Luca by Julius Caesar, Pompeius Magnus, and Marcus Crassus; in the company of a number of supporters the three worked out the strategic political alliance that led to the extension of Caesar's command in Gaul and the joint election of Pompey and Crassus to their second consulship.During the Roman civil wars of the 40s, Valerius Orca resurfaces as one of Caesar's legates.Early in 49 BC, Orca was sent to occupy Sardinia.