(written from a Production point of view)
Hinkley's earliest known foray into episode television was a guest spot on Scarecrow and Mrs. King, in a 1986 episode with fellow Star Trek alumni George Murdock, Ray Wise, and Ian Wolfe. Subsequent TV credits include the role of Brother Andrew in an episode of The X-Files directed by Rob Bowman and appeared in the classic "Merv Griffin Show" episode of Seinfeld, starring Jason Alexander. There was also a 1994 episode of seaQuest DSV, in which he, Michael Reilly Burke, Tim Kelleher, and Al Rodrigo were members of a group of commandos; W. Morgan Sheppard also appeared in this episode. In 2001, Hinkley appeared in an episode of The West Wing with Star Trek: Enterprise star John Billingsley. The following year, he appeared on Buffy the Vampire Slayer, and in 2003, appeared in two episodes of HBO's Carnivàle, working with the likes of Adrienne Barbeau, Clancy Brown, K Callan, John Fleck, Diane Salinger, and John Savage.
In addition, he has made appearances on such programs as Night Court (starring John Larroquette), 21 Jump Street (with Morgan Woodward), Shannon's Deal (with Miguel Ferrer and Sean Whalen), Bodies of Evidence (starring Jennifer Hetrick), Married... with Children, Coach (with Tony Plana), ER, CSI (with Cliff DeYoung), and Dragnet (with Erick Avari). He was also a regular on the short-lived series The Preston Episodes, opposite Clive Revill. He has also appeared in many critically-acclaimed feature films during the early 1990s, including Jacob's Ladder, The Silence of the Lambs, Bob Roberts, Falling Down, Ed Wood. More recent film credits include the 2001 comedy Say It Isn't So and Clint Eastwood's 2002 thriller Blood Work.