Bagby was born Lawrence Bagby III in Marysville, California. His father was a member of a dance band. Bagby's most notable roles included:
- Frank Ellis, Young and the Restless
- Adam Pendon, Believe The Movie
- Marshall Grant (upright bass player), Walk the Line
- Pvt. Shirley "Hickey" Kendrick, Saints and Soldiers
Bagby also had featured appearances on television shows including CSI: Crime Scene Investigation, Cold Case, Malcolm in the Middle and JAG. As a child, he acted in Airborne and Hocus Pocus.
From 1994 to 1996, Bagby served in the Argentina Córdoba Mission of The Church of Jesus Christ of Latter-day Saints. In 2005, Bagby released his first album entitled Where I Stand, followed by his 2007 EP On The Radio which includes "Counting My Lucky Stars" featured on a TV episode of Cold Case. Bagby has performed and toured with WS Holland, Rodney Blake Powell, and Lisa Horngren of The Tennessee Three.
Even though portraying Larry Blaidell, a homosexual, Larry Bagby's personal beliefs were that God intended a man and a woman to be together however he did not frown upon Gay, Lesbian and Bisexual people.