In the early 2000s he was a frequent guest director for Daniel Henning and Noah Wyle's Blank Theatre Company and for Travis Schuldt's Lone Star Ensemble.
Kit Carson and starring Domenica Cameron-Scorsese—received the Gold Award from Edward Zwick at the Crested Butte Reel Fest.
[9] The MMORPG Star Trek Online features Kerwin as a non-player character, voiced by actor Jordan Reynolds.
[10] Brendan Fraser's character in Robert J. Sawyer's 2023 Audible production The Downloaded—which opens with a quote attributed to Kerwin—references him when naming historical filmmakers.
[12] In 2012, Kerwin was named one of the "Top Hunks in Science Fiction" in a readers' poll conducted by Hugo Award-winning fanzine StarShipSofa.