Guest Stars James Murray as Prince Andrew Sebastian Blunt as Prince Edward Theo Fraser Steele as Timothy Laurence Ben Lloyd-Hughes as Mark Bolland Blake Ritson as Andrew Gailey Jack Cunningham-Nuttall as Fergus Boyd Isaac Rouse as Ollie Chadwyck-Healey Jack Harrison as Page Jack Myers as William's PPO - Eton Joseph Elliott as Eton Teacher Bella Padden as Teenage Girl 2 Baxter Westby as Eton Boy 3 Stewart Alexander as Space Centre Professor Lucas Ely as Eton Boy 1 Louis Holland as Eton Boy 2 Paige Edwards as Teenage Girl 1 Eva Rouse as Teenage Girl 3 Kezia Cotterrell as Screaming Girl Fan 1 Eloise Richmond as Screaming Girl Fan 2 Rachel Clare Chan as Screaming Girl Fan 3 Sophia Borkenhagen as Screaming Girl Fan 4 Myla Carmen as Screaming Girl Fan 5