Trivia

He made guest appearances on all three of the longest running North American science fiction series: Los expedientes secretos X (1993), Stargate SG-1 (1997) and Smallville (2001).

Plays the guitar.

Son of playwrights Janis Spence and Michael Cook.

Sebastian has 2 sisters and 1 younger brother. He was raised by his father Michael Cook and mom Madonna Cook. His birth mom was playwright and actress Janis Spence.