Pierre Png Tiang Huat is a Singaporean actor, comedian and businessman. He is known for starring in multiple Singaporean MediaCorp's Channel 5 and Channel 8's dramas which include The Gentlemen and When Duty Calls.

When Duty Calls is a 20-episode Singaporean drama produced and telecast on Mediacorp Channel 8 in 2017. It was made to commemorate 50 years of National Service in Singapore. It is sponsored by the Ministry of Defence and Ministry of Home Affairs.