Robert Foxworth reprise his role from the first part of the trilogy as Administrator V 'Las , and Joanna Casidy had previously portrayed T 'Les earlier in the season in the episode " Home " . John Rubinstein , who appear in " Awakening " as Koval , have previously appeared as a Mazarite earlier in the series in the episode " Fallen Hero " and had appeared in " The 37 's " , an episode of Voyager . Gary Graham returned as Soval , who he have portrayed throughout the series from the pilot episode onwards . Director Roxann Dawson have previously portrayed B 'Elanna Torres in Voyager , and " Awakening " marked the tenth episode of the series that she had directed . It was her only episode of season four , and her last on Enterprise . It was also writer André Bormanis ' first episode of the season , who had previously written several episodes of the series as well as Voyager .