- When Danny was growing up in California, he would rent video from "Video Archives", and talk with Quentin Tarantino, who was the clerk there, for at least 45 minutes.
- Danny has appeared in sit-coms such as Seinfeld, Gilmore Girls, and 3rd Rock from the Sun.
- A Doritos commercial was his first professional job when he was 15.
- Danny's favourite sport is volleyball.
- Danny was always called Daniel, but when he was 4 years old he saw Grease and changed his name to Danny after the main character.
- Danny had always had the desire to entertain when he was young, as his mother found out when she returned home to find Danny, age 2, pulling down his diapers and dancing for the elementary school kids across the street.
- If Danny could choose to have any power, he would choose to have the power to heal.
- Danny has been in 9 films, including Veritas, Prince of Truth (2005), Seabiscuit (2003), and The Prophecy II (1998).
- Danny hopes to eventually write and direct both theatre and film.
- Danny's stage performances include "No Orchids for Miss Blandish" and "A Devil Inside" (where he played opposite Linda Cardellini).
- Danny guest lectures at USC on the ins and outs of getting work as an actor.
- Danny's high school theatrical productions included the roles of "Ponyboy" in "The Outsiders" and the "Master of Ceremonies" in "Cabaret."
- Danny lives within a half-mile of both Tom Lenk and Adam Busch, his fellow actors in the nerd trio on Buffy the Vampire Slayer.
- When Danny Strong was pretending to sing in the Buffy episode 'Superstar', he was apparently very sick with the flu.
- Danny was in Saved By The Bell: The New Class with Bianca Lawson (Kendra on Buffy and Shriek If You Know What I Did Last Friday the Thirteenth with Julie Benz (Darla on Buffy).
- Danny was nominated for the prestigious Irene Ryan/Kennedy Center Award and USC awarded him the James Pendleton Award for Acting.
- Danny is 5'2" (157.48 cm) tall.
- Danny attended college with and co-starred in school stage productions with George Hertzberg (Adam on Buffy the Vampire Slayer) and J. August Richards (Gunn on Angel).
- Danny originally auditioned for the role of Xander Harris in Buffy the Vampire Slayer but instead got the role of Jonathan.
- Danny has been in 14 television commercials, including McDonalds, FOX sports and Doritos.
- Danny has stated that his favorite Buffy the Vampire Slayer episode is Superstar.
- Danny graduated from Mira Costa High School.
- Danny's Buffy character's full name was revealed in the book, The Sunnydale High Yearbook, to be Jonathan Levinson.
- Danny's last appearance on Buffy the Vampire Slayer was the season 7 episode, Storyteller.
- Danny worked with Buffy co-star Marc Blucas in the movie Pleasantville.
- Danny was the only fellow high school student (except Harmony) to have his character develop in Buffy the Vampire Slayer beyond the high school years (excluding the main cast).
- Danny played Jonathan Levinson in Buffy the Vampire Slayer. Strong had one episode all about his character. Strong's character was killed off in Season 7's "Conversations with Dead People".
- Danny Strong: Even from a really young age I was a huge movie buff. Just loved movies. I'd find a filmmaker or something and want to see all his movies. From there, I think it just naturally lead to me wanting to be an actor. I really can't remember a time in my life when I didn't want to be an actor.
- Danny Strong: I am totally overwhelmed by the fans. I think they are so cool, and I have a great time meeting them. Everyone is smart, well read and fun. The amount they donated to my AIDS run was really wonderful. It just felt like everyone was doing good, using this show to make a difference in the world beyond just the show itself. What's better than that?
- Danny Strong: I think [that I was an outgoing kid]. I would say so. I would say that I was never shy, I was never quiet. When I'm around people, I always wanted to – I wasn't so much a jokester, but I always wanted to make people laugh.
- Danny Strong: Only on Buffy can you get killed and do three more episodes.