Among his credits is the television series Hannah Montana, on which he portrayed a Secret Service agent. He also appeared in the episode "Charlie and Jordan Go to Prison" on the sitcom Anger Management.
Macintosh is a member of The Groundlings, a Los Angeles-based sketch and improv comedy troupe.
Laird's real surname is Rattray, as he uses his mother's maiden name. His younger sister, Heather Rattray, is also an actress.