MarcusFrank "Mark" Harelik (born June 5, 1951) is an American actor, voice actor, producer and playwright who played Ben in Jurassic Park III. Other notable films Harelik has appeared in include Election (1999), Eulogy (2004), Watching the Detectives (2007), 42 (2013) and Trumbo (2015). Aside from his work in film, Harelik has had an extensive career in television and stage.