(written from a Production point of view)
On Voyager, he worked as photo double for actor Basil Langton on the pilot episode "Caretaker". He filmed his scenes on 2nd unit on Friday 11 November 1994 on Paramount Stage 11 and is listed as Larry Polsom – "P.D. Banjo Man" on the call sheet.
Polson also appeared in episodes of Jake and the Fatman, Ripley's Believe It or Not, Tales from the Crypt, Paradise, Gabriel's Fire, Dr. Quinn, Medicine Woman, JAG, Spy Game, Murder She Wrote, Hangin' with Mr. Cooper, Buffy the Vampire Slayer, The Too Real World, Sabrina The Teenage Witch, and Seinfeld (1996, with Jason Alexander, Richard Herd, Brenda Strong, Patrick Kerr, and Harvey Jason).
Among his film work are the crime thriller Eye for an Eye (1996, with Armin Shimerman, Natalia Nogulich, Nicholas Cascone, Wayne Péré, Sierra Pecheur, Angela Paton, Michael Buchman Silver, Robert Clendenin, Janet Dey, Jack Janda, and David R. Maier), the comic adaptation Spawn (1997, with Melinda Clarke, Michael Papajohn, Frank Welker, John Cothran, Jr., Caroline Gibson, Jay Caputo, Al Goto, James Lew, and Simon Rhee), the drama The Opposite of Sex (1997, with Pancho Demmings and Leslie Bevis), the comedy Nothing to Lose (1997, with Michael McKean, Randy Oglesby, and J.J. Boone), the comic adaptation Blade (1998, with Wesley Snipes, Judson Scott, Sidney Liufau, Andray Johnson, Al Goto, Jeff Imada, Diana Lee Inosanto, Simon Rhee, and Henry Kingi, Sr.), the drama Finding Graceland (1998), the musical The Fantasticks (2000, with Joel Grey and Charles Hallahan), the fantasy comedy Bedazzled (2000, with Aaron Lustig, Rudolf Martin, Baron Jay, and Scott Trimble), and the crime comedy One Night at McCool's (2001, with Ric Sarabia, Tim de Zarn, and Rad Milo).