Justin Garrett Whalin (born September 6, 1974) is an award-winning American actor best known for his role as Jimmy Olsen in the American television series Lois & Clark: The New Adventures of Superman.
Whalin, an only child, was born in the Sunset District of San Francisco, California. His mother, Terry Villanueva, is a teacher and school administrator who owns and operates two L.A. area schools: The Learning Castle and La Cañada Preparatory. His father, Craig Whalin, is a real estate appraiser. His parents divorced when he was seven years old, both would remarry. He has a younger half brother, Danny Quiros. Whalin studied acting at the esteemed American Conservatory Theatre (A.C.T.) in San Francisco, and attended the prestigious Lowell High School. After years of commuting between Los Angeles and San Francisco, he and his mother eventually relocated to L.A. permanently when he was fifteen years old. He completed his high school education through U.C. Berkeley's home schooling program.
Whalin is known for his appearances in such films as John Waters' cult classic Serial Mom with Kathleen Turner, Child's Play 3, The Disney Channel's Susie Q (1996)(TV), and as the young Daily Planet photographer Jimmy Olsen in the TV series Lois and Clark: The New Adventures of Superman (seasons 2-4).