Name	Known for
Peter Sallis Wallace (voice) Wallace (voice) See fewer	Wallace & Gromit: The Curse of the Were-Rabbit (2005)
Ashley Jensen Self - Narrator (voice) Self - Narrator (voice) See fewer	Arthur Christmas (2011)
Jem Stansfield Self - Science Correspondent Self - Science Correspondent See fewer	Lost in Space (1998)
John Sparkes Goronwy (voice) Goronwy (voice) See fewer	Calendar Girls (2003)
Trevor Baylis Self - Inventor Self - Inventor See fewer	The 11 O'Clock Show (1998)
Emily Cummins Self - Inventor Self - Inventor See fewer	Wallace and Gromit's World of Invention (2010)
Albert Einstein Self (archive footage) Self (archive footage) See fewer	Schooling the World (2010)
Rowland Emett Self (archive footage) Self (archive footage) See fewer	Chitty Chitty Bang Bang (1968)
William Kamkwamba Self - Inventor Self - Inventor See fewer	The Boy Who Harnessed the Wind (2019)
Sheridan Parsons Self - Teasmade Collector Self - Teasmade Collector See fewer	Wallace and Gromit's World of Invention (2010)
George the Robot Itself Itself See fewer	Wallace and Gromit's World of Invention (2010)
Robert the Robot Itself (archive footage) Itself (archive footage) See fewer
Tony Sale Self - Inventor Self - Inventor See fewer	Enigma (2001)