You may be looking for writer J. Larry Carroll.

Larry Carroll is an actor who served as one of the stand-ins for Tommy "Tiny" Lister, Jr. on the Star Trek: Enterprise pilot episode "Broken Bow". According to the call sheets for the episode he worked on 12 June 2001, 13 June 2001, and 25 June 2001 on location in Bakersfield, on Paramount Stage 16, and in front of a blue screen on Paramount Stage 9.