Dwayne Johnson, Kevin Hart, Jodie Whittaker, Michael Palin, Harry Styles
Graham is joined by two stars of the film Jumanji: The Next Level, Dwayne Johnson and Kevin Hart, Doctor Who star Jodie Whittaker, Michael Palin and singer Harry Styles.
Quest roles:
Dwayne Johnson(Self), Harry Styles(Self), Kevin Hart(Self (archive footage)), Jodie Whittaker(Self), Michael Palin(Self)