He was nominated for a Daytime Emmy Award for "Outstanding Younger Actor" in 2005, and won the award the following year in April 2006. He received a third consecutive nomination in the same category in 2007 but lost out to Bryton McClure. Pelphrey won his second Daytime Emmy Award for "Outstanding Younger Actor" in 2008.
His character's popular romantic relationship with Tammy Layne Winslow (Stephanie Gatschet) was subject to great controversy, as the characters were first cousins and siblings by adoption. Pelphrey and Gatschet left the show in January 2007 in a storyline dictated exit.
Pelphrey returned for a brief stint in late July 2007 and early August 2007 on Guiding Light in the role he created. A book was published in September 2007 about his character's life on the run. He again returned to the show on January 22, 2008. According to Soap Opera Digest, Pelphrey has not signed a long-term contract, but he will be, as he states, "around for a while". Despite his contract, it has been rumored that Pelphrey has signed on with General Hospital as the character of Dante Falconeri, the son of Olivia Falconeri and Sonny Corinthos.