The 44-year-old actor was booked for investigation of driving under the influence of alcohol. The Los Angeles County Sheriff's Department says he was taken to county jail and released at about 8:30 a.m. on $15,000 bail.
Pasdar plays Nathan Petrelli on NBC's "Heroes." He's married to Dixie Chicks singer Natalie Maines.
A message left for his agent wasn't immediately returned.