Vanessa Morgan 'Grateful' Her Pregnancy Was Written Into 'Riverdale' Celebrity After wrapping the filming of season five in Canada, the actress known for her portrayal of Toni Topaz in The CW's hit teen series declares, 'Officially on maternity leave!!!!' Dec 21, 2020 Vanessa Morgan after letting slip her pregnancy has been written into hit TV drama series " The star, who plays Toni Topaz, shared the news with fans on Instagram on Friday (December 18) as she wrapped filming on season five in Canada, and prepared to welcome her first child. "Officially on maternity leave!!!!" she announced, alongside a photo of the actress cradling her bulging belly on set.