Grant spent time as the lead singer of the Pittsburgh underground punk band CHRISTMAS OF TORTURE and then received a B.A. in theatre from THE UNIVERSITY OF THE ARTS where he starred in the World Premiere of David Rabe's COSMOLOGIES. He ran theatre companies in both Philadelphia and New York City and studied acting with the legendary Joseph Chaikin.

When not voice acting, Grant is a film programmer and moderator for the American Cinematheque where he has conducted live interviews with luminaries such as Mel Brooks, James Cameron, Dennis Hopper, Jeff Bridges and Ray Harryhausen. He is a founding film programmer and producer of BEYONDFEST, the largest genre film festival in the United States.

Grant has voiced Muckman for TEENAGE MUTANT NINJA TURTLES, Arnim Zola for THE AVENGERS: EARTH'S MIGHTIEST HEROES, Green Lantern for THE DC SUPER FRIENDS, and several characters on Cartoon Network's UNCLE GRANDPA. His film credits include the Mike Cuenca films LIKE A DIRTY FRENCH NOVEL and I'LL BE AROUND, THE HEIGHT OF THE SKY, and the Luc Besson film VALERIAN AND THE CITY OF A THOUSAND PLANETS. Grant was also a co-host on THE NERDIST podcast, HUMANS FROM EARTH.