"(Baby) You Don't Have to Tell Me" (often written "You Don't Have to Tell Me") is a song written by New York songwriter Pete Antell (formerly of the American pop group The Chants) and first recorded by the singer Bobby Coleman. The obscure song was later recorded and released by the American pop group The Walker Brothers as their sixth single in 1966. The accompaniment was directed by Reg Guest.

"(Baby) You Don't Have to Tell Me" was a modest hit, spending eight weeks on the UK Singles Chart and peaking at #13. In comparison to their previous three singles, each of which made the top 3, the single was a disappointment and marked the beginning of the group's popular decline. Despite the single's underperformance, Portrait, the group's second album, was released at the same time was much more popular, making #3 on the UK Albums Chart.

In most territories the single was backed with "My Love is Growing", a song co-written by Scott Walker's former musical partner John Stewart. In the US the single was backed by a Scott Walker-John Franz original; "Young Man Cried".

...
Wikipedia