David Tennant as seen during his interview on The AssemblyDavid Tennant has spoken for the first time about the allegations against Neil Gaiman, as he prepares for one last outing in the TV series that he created.The former Doctor Who star plays Crowley in Good Omens, which is based on the Terry Pratchett novel of the same name, and which Gaiman co-wrote and served on as showrunner until his abrupt exit last year, which came after five women came forward accusing him of sexual assault and abuse.Gaiman has denied all allegations of non-consensual sexual activity,