THE CHAT. Written by Katy & Andy Burrell PRODUCER. Clancie Brennan. CAST. Rakie Ayola, Kate Ashfield, Claudie Blakley and Indira Varma. AGENCY BMB. I directed this first ever WhatsApp drama series entirely on iPhones. Starring an award-winning cast. The series played out in real-time over 6 weeks in a WhatsApp