[2][3] After a series of roles on Broadway, Damon's appearance as the Prince in the 1965 version of Rodgers and Hammerstein's Cinderella starring Lesley Ann Warren helped pave the way to a long career in television soap opera.

Moving to Great Britain, Damon starred in the hit West End musical Charlie Girl with Anna Neagle in 1965,[4] and was selected to appear as American secret agent Craig Stirling, alongside British actors Alexandra Bastedo and William Gaunt, in the ITC series The Champions.

[5] He also appeared with Roger Moore in an episode of The Saint which has been credited as the inspiration for the later series The Persuaders!, with Damon's role being played by Tony Curtis.

[citation needed] In September 1974, he appeared as a solo singer in an episode of the UK TV variety programme The Wheeltappers and Shunters Social Club.

In 2005, Damon was reunited with Alexandra Bastedo and William Gaunt for the first time in almost 40 years, to provide audio commentary on a DVD release of The Champions.

On September 18, 2009, Damon began appearing on As the World Turns as Janet and Teri Ciccone's "Uncle" Ralph Manzo, a businessman most likely involved with the mob.

He appeared, along with Rick Webber (Chris Robinson) and Emily Quartermaine (Natalia Livingston), as a hallucination shared by Tracy and Monica, for the show's 50th anniversary episode, which aired on April 2, 2013.

Stuart Damon died of kidney failure[12] on June 29, 2021, aged 84, at the Motion Picture & Television Fund retirement community in Woodland Hills, Los Angeles, where he had lived for seven years.