His family relocated to Toronto, Ontario in 1967, where his father worked as a producer for CBC Radio and Television.
After graduating from high school, Humphrey moved to New York City to study acting at the Lee Strasberg Theatre and Film Institute.
Humphrey spent five years in New York, later returning to Toronto, and eventually relocating to California.
In 2009 Humphrey appeared in the Canadian dramatic series Paradise Falls,[5] and the television movies Encounter with Danger with Shannen Doherty, and Hostile Makeover with Maggie Lawson.
In 2015 Humphrey joined the cast of the Hallmark Channel series When Calls the Heart as mysterious preacher Frank Hogan.