Ant & Dec's DNA Journey

• 
  Rory McCann
  Self - Narrator
• 
  Michael McElhatton
  Self - Narrator
• 
  Michala Hulme
  Self
• 
  Paul Edward McNeil
  The Time Detective
• 
  Declan Donnelly
  Self - Presenter
• 
  Anthony McPartlin
  Self - Presenter
• 
  Amanda Holden
  Self - Presenter
• 
  Martin Kemp
  Self
• 
  Alan Carr
  Self
• 
  Andrew Flintoff
  Self - Presenter
• 
  Jamie Redknapp
  Self
• 
  Roman Kemp
  Self
• 
  Harry Redknapp
  Self
• 
  Sandra Redknapp
  Self
• 
  Alison Steadman
  Sam's Mum
• 
  Larry Lamb
  Self - Presenter
• 
  Maureen Lipman
  Self - Presenter
• 
  Romesh Ranganathan
  Self
• 
  Michael Carter
  Self - Narrator
• 
  Rula Lenska
  Self
• 
  Tom Allen
  Self
• 
  Rob Beckett
  Self
• 
  Joel Dommett
  Self
• 
  Alison Hammond
  Self
• 
  Anne Hegerty
  Self - Presenter
• 
  Kate Garraway
  Self - Presenter
• 
  Shaun Wallace
  Self - Presenter
• 
  Mollie Gallagher
  Self
• 
  Tanisha Gorey
  Self
• 
  Christopher Dean
  Self - Eiskunstlauf-Choreograf

• Iain Thompson
• Sam Webb

• Declan Donnelly
  ...
  (devised by)
• Kathleen Larkin
  ...
  (developed by: for Voltage TV)
• Anthony McPartlin
  ...
  (devised by)
• Alistair Moffat
  ...
  (devised by)
• Iain Thompson
  ...
  (developed by: for Voltage TV)