Visual Effects Robert Skotak Directed Invasion Earth: The Aliens Are Here 1988 Acting Digging the Dirt: The Visual Effects of Tremors Self 2020 The Sky Is Falling: Making 'The War of the Worlds' Self 2005 Superior Firepower: Making 'Aliens' Self 2003 The Star Dreamer 2002 The Making of ‘Tremors’ Self 1998 Other Credits Harbinger Down Visual Effects Supervisor 2015 The Stepford Wives Visual Effects Art Director 2004 Titanic Visual Effects Supervisor 1997 The Arrival Visual Effects Supervisor 1996 The Alien Within Visual Effects 1995 Tank Girl Visual Effects Supervisor 1995 Batman Returns Visual Effects Supervisor 1992 Terminator 2: Judgment Day Visual Effects Supervisor 1991 Darkman Visual Effects Supervisor 1990 Tremors Visual Effects Director 1990 Lords of the Deep Visual Effects 1989 Aliens Visual Effects Supervisor 1986 Galaxy of Terror Production Design 1981 Escape from New York Matte Painter 1981 Agent-readable