James Callis

James Callis is an English actor and writer, best known for playing John Merchiston on CBS’ CSI, Dr. Gaius Baltar on BSkyB’s Battlestar Galactica, and Dr. Trevor Grant on Syfy’s Eureka. Other television credits include Guy Curran on PBS’ Ruth Rendell Mysteries and Major Tim Forrester on ITV’s Soldier Soldier.

Film credits include House by the Lake, Bridget Jones's Baby, Bridget Jones: The Edge of Reason, Bridget Jones's DiaryAustenland, Believe, Reuniting the Rubins, One Night with the King, and Dead Cool.

Theatre credits include Ben in Things You Shouldn't Say Past Midnight (Soho Theatre), Louis Dubedat in The Doctor's Dilemma (Almeida Theatre), and Stephen in Old Wicked Songs (Gielgud Theatre).