Martin Donovan (born Martin Paul Smith) is an American actor. He has had a long collaboration with director Hal Hartley, appearing in many of his films, such as Trust (1990), Surviving Desire (1991), Simple Men (1992), Amateur (1994), Flirt (1995), and The Book of Life (1998), starring as Jesus Christ in the latter. Donovan played Tom Gordon on Ghost Whisperer. Donovan also played Peter Scottson on Showtime's cable series Weeds. He made his writing/directorial debut with the film Collaborator (2011). Donovan played Detective Hap Eckhart in Christopher Nolan's psychological thriller Insomnia (2002) and the Protagonist's CIA handler, Fay, in Nolan's science fiction action thriller film Tenet (2020).