[Human]: Do you like Ariana Richards? [Assistant]: Yes, I like her especially in the movie Tremors, have you watch it? [Human]: Yes, I like Tremors. Is Tremors written by Ron Underwood? [Assistant]: Yes, it is written by him and also S. S. Wilson. [Human]: What about Brent Maddock? 
Brent Maddock actually directed Tremors and co-wrote it with Ron Underwood. He is also known for directing other horror movies like Friday the 13th and Nightmare on Elm Street.