Greco starred in a modernised pop musical version of Aladdin, as the villain "Pickanchoos", at Poole's Lighthouse Theatre during the 2007 Christmas and New Year Season.
He also started as FleshCreep in the Ipswich pantomime Jack and The Beanstalk 2024 Greco became widely known for his role as Beppe Di Marco in the soap opera EastEnders, joining the show in 1998.
The Sunday Mirror reported he was sacked from the show after voicing his displeasure with his character's storylines and alleged jealousy of other actor's scripts.
He was a contestant on ITV's Soapstar Superstar in January 2006, and played in the Rest of the World team versus Prestonpans in the Soccer Aid match in 2006.
Greco was the voiceover person on the TV documentary show America's Hardest Bounty Hunters, on the Australian pay-TV Crime and Investigation channel (FOXTEL).