Characters played by David Boyd
Bert
Characters played by Rob Falconer
Trevor (segment The Play that Goes Wrong)
Characters played by Brandon Flowers
Self
Characters played by Josh Groban
Self
Characters played by Dave Hearn
Max
Cecil Haversham (segment The Play that Goes Wrong)
Characters played by Elton John
Self
Characters played by Beverley Knight
Self
Characters played by Henry Lewis
Robert
Thomas Colleymoore (segment The Play that Goes Wrong)
Characters played by Little Mix
Themselves
Characters played by Jeff Lynne
Self
Characters played by Ricky Martin
Self - Performer
Characters played by Issie Methven
Jane Banks
Characters played by Kylie Minogue
Self
Characters played by Kacey Musgraves
Self
Characters played by One Direction
Themselves
Characters played by Chris Ramsey
Self
Characters played by Romesh Ranganathan
Self
Characters played by Charlie Russell
Sandra
Florence Colleymoore (segment The Play that Goes Wrong)
Characters played by Jonathan Sayer
Dennis
butler Perkins (segment The Play that Goes Wrong)
Characters played by Henry Shields
Chris Bean
Inspector Carter (segment The Play that Goes Wrong)
Characters played by Zizi Strallen
Mary Poppins
Characters played by Harry Styles
Self
Characters played by Greg Tannahill
Jonathan
Charles Haversham (segment The Play that Goes Wrong)
Characters played by Jack Whitehall
Self - Host
Characters played by Nancy Zamit
Annie (segment The Play that Goes Wrong)