Seth was raised in Overbrook Park by his parents; Herb, a math teacher, and Barbara, an artist. He attended public school and played soccer. Seth decided to make acting his career at age six after appearing in a summer camp performance of "Hello, Dolly!"
Jodie Foster's production company, Egg Pictures, is named after Green's character in The Hotel New Hampshire, in which she also starred. Has an older sister, Kaela Green. He had a part filmed for Buffy the Vampire Slayer; the part was left on the cutting room floor, but a still from the scene appeared on the read or the commercial release videocassette box. Seth eventually got to be in Buffy, though, on the TV series. At 13-years-old he played Alyson Hannigan's boyfriend 'Fred' in My Stepmother Is an Alien. Ten years later, at the age of 23, he played her boyfriend again when he landed the role of 'Oz' on the TV show Buffy the Vampire Slayer. Seth is thanked in the sleeve notes of Blink 182's "Enema of the State". Blink also thanks Idle Hands and Can't Hardly Wait -- both movies featuring a Blink 182 song and coincidentally both have Seth Green in them. Shares a birthday with Mötley Crüe singer Vince Neil, his The Trumpet of the Swan co-star Mary Steenburgen, James Dean and Ethan Phillips. Was once room-mates with crooner Brian Evans in California. In Macleans Magazine (Canada), Evans called the experience "Unfortunate for Seth", adding that "I wasn't stable enough to live alone, never mind have a roommate." Named #7 of the Top Ten Sexiest Men of the Buffy / Angel universe in a fan poll by the Buffy the Vampire Slayer fanzine (2004). Not many people know that he was responsible for one of the most overused catchphrases of the 1990s. In 1992 he appeared in a commercial for Rally's Burgers as an obnoxious drive-thru cashier who kept repeating the line "Cha-CHING!!" over and over again and the line entered the popular culture. Based the gravelly voice of Chris Griffin in Family Guy on the Buffalo Bill character from The Silence of the Lambs. He played Lyle in The Italian Job. His Austin Powers: Goldmember co-star Michael Caine appeared in the original The Italian Job. Has made his entrance in two separate films to two separate Clay Aiken songs. They are "Invisible" in Without a Paddle and "The Way" in Scooby Doo 2: Monsters Unleashed. Was among the guests at Jessica Simpson's 25th birthday party. Revealed in a 2005 "Fresh Air with Terry Gross" interview that he auditioned for the American Beauty role that eventually went to Wes Bentley, and he was the runner-up for the Eternal Sunshine of the Spotless Mind role that went to Elijah Wood. Seth appears in the music video for Weird Al Yankovic's "White 'n Nerdy," playing an action figure collector. Seth is not related to Bruce Seth Green, who directed some episodes of Buffy the Vampire Slayer. On occasion, some sources confuse the two and have credited Seth as the director. In the movie Mallrats, the studio had prepared to replace Jason Mewes with Seth Green to play the character of Jay. Director Kevin Smith insisted that Mewes reprise his part from Clerks so the studio had Green on stand-by and ready to fly to the mall where they were filming while they viewed Mewes' first scene. In the end, all parties agreed to Mewes keeping the part. 1998: Named on Entertainment Weekly's "It List" of the 100 Most Creative People in Entertainment. In his free time enjoys playing pool and seeing as many films as possible. Graduated high school with honors.