The trio of former Reds visited CanTeen, a national charity that supports young people living with cancer, where they conducted a Q&A session.
Johnston, McAllister and McAteer also fielded questions from local Reds fans at Rebel Sport, hosted by Mark Bosnich, before signing autographs and posing for pictures.
Liverpool are set to play a post-season friendly against Sydney FC at ANZ Stadium this Wednesday, with Jürgen Klopp’s 25-man squad including Daniel Agger, Jamie Carragher, Steven Gerrard and Steve McManaman.
Tickets for the game are available here.