LeBlanc currently plays Michael Baldwin on The Young and the Restless. He first played the role from 1991 to 1993, and then resumed the role in 1997. He has been nominated for a Daytime Emmy Award for the role eight times, and won for Outstanding Lead Actor in a Drama Series award in 2005, 2007, and 2009. He previously starred on another soap opera, As the World Turns, playing Kirk McColl from June 2, 1983 until the summer of 1985. In 1988, LeBlanc played a police officer in the NBC police drama In the Heat of the Night, a TV version of the acclaimed movie. LeBlanc was featured in eight episodes. Christian appeared on As The World Turns again as his Y&R character Michael Baldwin on April 4 and 5th of 2005 when the character was crossed over to assist Jack and Carly Snyder in a custody suit.

On May 20, 2005, June 15, 2007, and August 30, 2009, LeBlanc won the Daytime Emmy for "Outstanding Lead Actor" for his role on Y&R. He was previously nominated for "Outstanding Supporting Actor in a Drama Series" in 1999, 2000, 2003 and 2004.

LeBlanc also appeared alongside his The Young and the Restless wife Tracey E. Bregman in the video for I Keep On Loving You by Reba McEntire in 2010.