Guest Stars Kyo Ra as Rose Walker Razane Jammal as Lyta Hall Sandra James-Young as Unity Kincaid Daisy Badger as Chantal Lily Travers as Barbie Richard Fleeshman as Ken John Cameron Mitchell as Hal Carter Cara Horgan as Zelda Lloyd Everitt as Hector Hall Lenny Henry voices Martin Tenbones Sam Hazeldine as Barnaby Lisa O'Hare as Clarice Andi Osho as Miranda Walker Ann Ogbomo as Gault Co Starring Eddie Karanja as Jed Walker Isla Gie as Child Zelda Shelley Williams as Eleanor Rubio Sacharissa Claxton as Officer Sandra Davis