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Johnny Mac McGuire

Johnny Mac McGuire

Acting

June 28, 1987 (38 years old)
Male
1 TV Shows

Dr. John Robert "Johnny Mac" McGuire (born June 28, 1987) is an American dentist and former television personality. He is best known for competing on season 17 of Big Brother US, where he placed fourth.

Big Brother
Big Brother

Big Brother

2000 4.9

as Self - Houseguest

Age 13 (now 38)
38 eps