Guest Stars Laura Tobin as Herself Richard Arnold as Himself Jonathan Swain as Himself Juliet Dunlop as Herself Nitya Rajan as Herself Pip Tomson as Herself Devi Sridhar as Herself Simon Calder as Himself Brian Wood as Himself Ronan Keating as Himself Nick Hewer as Himself Ruthie Henshall as Herself Mark Cavendish as Himself Ron Howard as Himself Zan Moon as Herself Susan Hopkins as Herself Zara McDermott as Herself Harriet Scott as Herself