Still relatively unknown to television audiences, Starr was "discovered" through the talent show, "Opportunity Knocks" in 1967 where he appeared as part of comedy/beat act Freddie Starr and the Delmonts, winning the popular vote each time over six weeks. He appeared on the 1970 Royal Variety Performance during which he impersonated Mick Jagger of the Rolling Stones. and Adolf Hitler in Wellington Boots. During his career, he also impersonated Elvis Presley and Ray Charles. Starr had a chart album titled "After the Laughter" and a UK Top 10 single, "It's You", in March 1974.