“I think it’s a really beautiful film and I’m really excited for people to see it,” Whishaw said. “It’s gorgeous.”
Hugh Bonneville, Dame Julie Walters, Madeleine Harris and Samuel Joslin also return in the new film.
But Sally Hawkins has handed the role of Mrs Brown to Emily Mortimer.
Whishaw starred as Q in the James Bond films and appeared in the TV adaptation of This is Going to Hurt
The actor, 43, is now appearing in a new West End production of Samuel Beckett’s Waiting for Godot.
He has credited the play with encouraging him to drop out of university more than two decades ago and study acting instead.
He will star opposite Lucian Msamati, who has previously appeared in Game of Thrones and Gangs of London.
The production, directed by James MacDonald, is running at the Theatre Royal Haymarket in London.
Paddington in Peru hits UK and Irish cinemas on 8 November
