Yvette Nicole Brown to be interim guest host of Walking Dead

Yvette Nicole Brown is filling in for Chris Hardwick as host of theThe Walking Deadand Talking Deadwhile AMC Networks reviews sexual assault allegations against Hardwick.

AMC announced Friday that Brown will be "interim guest host"of The Walking DeadSeason 9 Preview Specialon Aug. 5. Brown will alsohost Talking Deadon Aug. 12.

Brown starred in the NBC comedy Communityand was alreadystepping in for Hardwick as moderator of Walking Deadpanels next week at San Diego Comic-Con.

Hardwick has acknowledged that an online post by his ex-girlfriend Chloe Dykstra alleging she had been sexually assaulted and emotionally abused referred to him. He has denied the allegations but has said the couple's three-year relationship was imperfect and included arguments.