Daniel started dating fellow Teen Wolf actress Crystal Reed in 2011, and their relationship lasted until the two broke up in 2013.
Daniel was able to crowdfund $20,000 in order to produce the short film Soon You Will Be Gone in 2015, a project in which he starred.
Daniel voiced the audiobook version of Clockwork Princess, the final novel in The Infernal Devices trilogy (which itself is only one of several series in The Shadowhunter Chronicles universe) written by Cassandra Clare.