Harley Quinn Smith is an American actress and musician. Smith has appeared in the film Tusk and starred in its spin-off Yoga Hosers, both written and directed by her father, filmmaker Kevin Smith. She is also the bass player and one of the singers in the punk rock band The Tenth. She also appeared in Jay and Silent Bob Reboot.

Tusk is a 2014 American independent body horror comedy psychological thriller film written and directed by Kevin Smith, based on a story from his SModcast podcast. The film stars Michael Parks, Justin Long, Haley Joel Osment, Genesis Rodriguez, Lily-Rose Depp and Johnny Depp. The film is the first in Smith's planned True North trilogy, followed by Yoga Hosers (2016).