Geoffrey Lower (born March 19, 1963) is an American actor known for playing Reverend Timothy Johnson on Dr. Quinn, Medicine Woman.He also played Monica's boyfriend Alan in Friends in season one, episode three.He most recently was seen HGTV's House Hunters Renovation, in Silver Lake, California. He is now working as a contractor/carpenter. On this episode he was assisting in the homeowner's renovation of their new Spanish bungalow.