For many years, it was a staple on the play lists of FM radio stations with a soft rock or "lite" format.

[2] Smith performed live at the 1982 Miss Universe pageant main event night, held in Lima, Peru.

From 1990 through 1992, Smith was a contract player on the CBS daytime drama As the World Turns in the role of Darryl Crawford.

[10] Smith starred as Frederic in the New York Shakespeare Festival's Central Park production of The Pirates of Penzance.

[12] Smith reprised the role of Frederic in the 1983 film adaptation, along with fellow Broadway cast members Kevin Kline as the Pirate King, Linda Ronstadt as Mabel and Tony Azito as the Police Sergeant.

[13] Smith has appeared in other Broadway and Off-Broadway productions, including The Scarlet Pimpernel, Grand Hotel, The Human Comedy, and Annie Get Your Gun.

He played Joe Gillis opposite Diahann Carroll as Norma Desmond in the 1995 Canadian production of Sunset Boulevard.

[18] Smith has appeared in non-singing roles in two Neil Simon plays: Plaza Suite opposite Eve Plumb at Judson Theatre Company in 2015[19] and Barefoot in the Park at Sharon Playhouse in 2018.

[20] Most recently, Smith played the role of Billy Mack in the multi-media production Love Actually Live at the Wallis Annenberg Center for the Performing Arts in both 2018 and 2019.