[6] Eggold had recurring roles on CBS's The Young and the Restless, HBO's Entourage, Cartoon Network's Out of Jimmy's Head, ABC's Brothers & Sisters, and the UPN/CW series Veronica Mars, before obtaining his first series regular role on the FX's Dirt.

[8] Eggold portrayed English teacher Ryan Matthews in 90210, the CW spin-off of FOX's Beverly Hills, 90210.

[8] In January 2012, he played Mischa Barton's love interest in Mark Edwin Robinson's supernatural romance thriller Into the Dark.

[10] In January 2015, Eggold appeared on the History Channel's three-night miniseries Sons of Liberty as Dr. Joseph Warren, a friend of Sam Adams and Paul Revere.

[13] Eggold writes music, plays guitar and piano, and sings in the band Eleanor Avenue.