Caton appeared in the 1971 Melbourne production of the rock musical Hair. He has also appeared on stage at the Twelfth Night Theatre. Caton appeared as Sheriff Lavers in the 1982 Sydney Theatre Company production of The Stripper. In 2007–08, Caton appeared in Priscilla Queen of the Desert - the Musical as Bob.
In 1976 Caton starred as Uncle Harry Sullivan in the long running Channel 9 war family drama The Sullivans.
Caton starred in the Australian drama series Five Mile Creek from 1983 until 1985. He then appeared in the risqué 1990s soap opera Chances (in 1991 and 1992).
Since 1999, Caton has hosted two lifestyle programs – Hot Property and Hot Auctions – on the Seven Network until 2009, and Channel Nine since 2010.
In 2005, he was a contestant on the third series of the Australian version of Dancing with the Stars.
