William Peltz (born May 30, 1986)[2] is an American actor, known for his roles in the supernatural horror film Unfriended (2014), the comedy-drama film Men, Women & Children (2014), and the supernatural drama television series Manifest (2021).

[5] He has seven siblings, including actress Nicola Peltz, and two half-siblings from his father's previous marriages.

[2][8] In 2009, he moved to Los Angeles and secured his first roles in film productions.

[8] In 2014, he had his first major role in Jason Reitman's drama film Men, Women & Children.

He and his sister actress Nicola Peltz have matching Hebrew tattoos on their ribs, that read: "family".