Acting

Johnny Mac McGuire

Also Known As: John McGuire

Birth Date

June 28, 1987

(39 years old)

Popularity

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Biography

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.

Photos

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TV Show

Big Brother

Self - Houseguest

2000 • 38 episodes