 Michael Gross (I) (qv) was the only person to appear in all four  Tremors movies. In _Tremors (1990)_ (qv),  _Tremors II: Aftershocks (1996) (V)_ (qv) and  _Tremors 3: Back to Perfection (2001) (V)_ (qv), he played Burt  Gummer. In _Tremors 4: The Legend Begins (2004) (V)_ (qv), he played  Hiram Gummer, an ancestor of Burt Gummer.