|Date of birth||July 1, 1970|
|Birth place||Stamford, Connecticut, United States|
|Years active||1994 to present|
|Agents of S.H.I.E.L.D.|
|Character||Alphonso "Mack" Mackenzie|
|Seasons||2, 3, 4|
Henry Oswald Simmons, Jr. is an American actor who is know for playing Alphonso "Mack" Mackenzie.
Simmons was born in Stamford, Connecticut, the son of Aurelia, a school teacher, and Henry Simmons, Sr., an IRS agent. He is one of three children, including his twin sister, and another sister. Simmons earned a basketball scholarship to Franklin Pierce College in New Hampshire, where he earned a business degree.