He was born in Burbank, California and raised in Vancouver, British Columbia. His father is of Czech, English, French, German, Irish, Northern Irish, Polish and Welsh descent and his mother is of British Jewish, Russian Jewish and Scottish decent. He has a younger brother Aden Strong who is a voice actor. He was raised both Christian Science and Jewish.
Strong is the voice of numerous animated characters, including Sonic, Jungle Adventure as W.C. Madden, Rescue Dogs as Buddy, The Mystery of Scooby-Doo as Shaggy Rogers, Justice League Dogs as Krypto the Super dog and Farm Animals as Piggy.