Jackson Laing (Dennis), Miriam Nyarko (Lisa James), Rufus Hound (Dad), Forbes Masson (Mr Hawtrey), Alfie Jukes (John), Arjun Singh Khakh (Darvesh), Natasha Lewis (Darvesh's Mum), Irvine Iqbal (Raj), Charlotte Wakefield (Miss Windsor), Christina Modestou (Miss Bresslaw), Charlotte Jaconelli (Lorna), Grace Wylde (Louise), Max Gill (Big Mac), Ryan Heenan (Rory), Alexander Moneypenny (Gareth), David Birch (Maudlin Street Captain), Jamie Tyler (St Kenneth's Captain), Ben Thompson (Oddbod / Puppet Captain), Ahmed Hamad, Alim Jayda, Cilla Silvia, Clancy Ryan, Hannah Fairclough