Goran Višnjić (Croatian: [ɡǒran ʋîʃɲitɕ] VISH-nyich; born 9 September 1972) is a Croatian actor. He is best known for his roles as Dr. Luka Kovač in ER and Garcia Flynn in Timeless, both NBC television series. For ER, he and the cast were nominated for two Screen Actors Guild Awards.