Among the guests joining Lee Mack and David Mitchell are James Acaster, David Baddiel, Ed Balls, Mark Bonnar, Jo Brand, Steve Davis, Susie Dent, Ade Edmondson, Sheila Hancock, Claude Littner, Cariad Lloyd, Gabby Logan, Stephen Mangan, Bob Mortimer, Melvin Odoom, Ore Oduba, Craig Parkinson, Sara Pascoe, Anita Rani, Fay Ripley, Stacey Solomon, Jordan Stephens, Claudia Winkleman and Kimberly Wyatt.