Guest Stars Pooky Quesnel as Louise Wilson Matt Greenwood as Tom Clarke Ibrahim Ismail as Ramesh Tommie Grabiec as Pavel Kaminski Adam Wittek as David Nowak Daniel Cerqueira as Dr. Graves Harrison Newell-Parker as Bill Hibbs George Bukhari as Terry Norris Gemma Paige North as Sarah Hibbs Craig McDonald-Kelly as Gary Mallard Thomas Gregory as Luke Taylor Abby Ford as Sally Julia Krynke as Maya Petrenko Luke Roskell as Dan Christine Mackie as Mrs. Fox Sara Sadeghi as Miss Rees Daisy Cooper-Kelly as Daisy James Benson as Keith