This came after Disneys planned feature adaptation of Gaimans 2008 YA titleThe Graveyard Bookalso was put on pause.
Another two have since come forward.
Gaimans position is that he denies the allegations and is said to be disturbed by them.
Neil GaimanJamie McCarthy/Getty Images
His rep did not respond to a request for comment.
Gaiman has previously said the show, which is made in Scotland, will shoot from January.
His fellow co-showrunner, Douglas Mackinnon,departed the showlast year.
Jon Hamm, Miranda Richardson and Frances McDormand also star.
