Article continues below advertisementLiev Schreiber was hospitalized over the weekend after a "massive headache" prompted concerns about a mystery illness. The Ray Donovan star, 58, contacted his doctor on Sunday, November 16, to report the headache and was advised to get to a hospital "immediately," a news outlet shared.Article continues below advertisementLiev Schreiber Suffered 'Massive Headache'Source: MEGALiev Schreiber contacted a doctor after suffering a 'massive headache.