The Governess, Anne Hegerty joined in 2010 and Paul "The Sinnerman" Sinha joined in 2011, with the fifth chaser, Jenny "The Vixen" Ryan rounding out the team in 2015.
With the new Chaser joining the team, it seems The Chase's hugely successful 10-year-run is only gaining strength as we head into a new decade.
Speaking about what makes the show so popular and successful, Walsh told Good Morning Britain: "Look, it's a great format. We have great fun. We don't really use auto-cue. As soon as we press the juice button to go, we fly with it and we play the game.
"That's what's brilliant about the show. It's accessible and people love it. It's really taken on board."