Name	Known for
Kevin O'Connor Self - Host (voice) Self - Host (voice) See fewer	This Old House (1979)
Tom Silva Self - General Contractor (credit only) Self - General Contractor (credit only) See fewer	This Old House (1979)
Richard Trethewey Self - Plumbing & Heating Expert Self - Plumbing & Heating Expert See fewer	Ask This Old House (2002)
Jenn Nawada Evans Self - Landscape Designer (as Jenn Nawada) Self - Landscape Designer (as Jenn Nawada) See fewer	This Old House (1979)
Mark McCullough Self - Mason Self - Mason See fewer	This Old House (1979)
Mauro Henrique Self - Painter (credit only) Self - Painter (credit only) See fewer	This Old House (1979)
Ross Trethewey Self - Home Technology Expert (credit only) Self - Home Technology Expert (credit only) See fewer	This Old House (1979)
Nathan Gilbert Self - Carpenter (credit only) Self - Carpenter (credit only) See fewer	This Old House (1979)
Heath Eastman Self - Master Electrician Self - Master Electrician See fewer	This Old House (1979)
Bill Gauld Self - Christmas Tree Grower (archive footage) Self - Christmas Tree Grower (archive footage) See fewer	Ask This Old House (2002)
John Drengenberg Self - Underwriters Laboratories (archive footage) Self - Underwriters Laboratories (archive footage) See fewer	Modern Marvels (1993)
Whitney Self - Homeowner Self - Homeowner See fewer	Ask This Old House (2002)
Roger Cook Self - Landscape Contractor (archive footage) (as Roger) Self - Landscape Contractor (archive footage) (as Roger) See fewer	This Old House (1979)