Brett Lee was the player who got hat trick in ICC t20 world cup
Ricky Ponting was the captain of the Australian Cricket team in the 2003 Cricket World Cup.
John Buchanan was the coach of the Australian Cricket team in the 2007 Cricket World Cup.
Ricky Ponting is the captain of the Australian Cricket team in the 2011 Cricket World Cup.
Ian Chappell was the captain of the Australian Cricket team in the 1975 Cricket World Cup.
Kim Hughes was the captain of the Australian Cricket team in the 1979 Cricket World Cup.
Allan Border was the captain of the Australian Cricket team in the 1992 Cricket World Cup.
Mark Taylor was the captain of the Australian Cricket team in the 1996 Cricket World Cup.
Ricky Ponting was the captain of the Australian Cricket team in the 2007 Cricket World Cup.
Kim Hughes was the captain of the Australian Cricket team in the 1983 Cricket World Cup.
The Australian player who played only one match in the 1996 cricket world cup was Craig McDermott. The match was held between Australia and Kenya on 23rd February in Vishakapatnam, India. Apparently, this was the last match which McDermott played in ODI cricket.
Chetan Sharma was the first bowler to take hat-trick in Cricket World Cup. He took hat-trick in 1987 Cricket World Cup.
KAJ Roach(west indies player) has hatrik in icc world cup 2011. (netherland Vs. westindies)