highest rated
acting
- The D-Con Chamber (TV) → Self
- Space Command Redemption → Greg Mazzey
- Babylon 5: The Road Home → Lennier (voice)
- Toon In with Me (TV) → Self
- Lost in Space (TV) → Real Dr. Smith
- Lost in Space (TV) → Dr. Zachary Smith
- What We Left Behind: Looking Back at Star Trek: Deep Space Nine → Self
- The Loud House (TV) → Timothy Mccole
- Bravest Warriors (TV) → Ralph Waldo Pickle Chips
- Ben 10: Ultimate Alien (TV) → Agent Bryson (voice)
- The Face is Familiar → Narrator
- Holly Hobbie and Friends: Surprise Party → Bud Morris (voice)
- Holly Hobbie & Friends (TV) → Bud Morris (voice)
- A.I. Assault → Major Keith
- Look, Up in the Sky! The Amazing Story of Superman → Self
- Holly Hobbie and Friends: Christmas Wishes → Bud Morris / Judge #1 (voice)
- Ringers: Lord of the Fans → Self
- Derailroaded → Self
- Comic Book: The Movie → Bill Mumy
- What's New, Scooby-Doo? (TV) → Harry Noze (voice)
- The Twilight Zone (TV) → Anthony Fremont
- Larry 'Wild Man' Fischer → Self
- Crossing Jordan (TV) → Paper Shredder Operator
- TVography (TV)
- Buzz Lightyear of Star Command (TV) → Eon (voice)
- Boom! Hollywood's Greatest Disaster Movies → Self - Host
- Behind the Dementia → himself
- Attack of the 50 Foot Monster Mania → Narrator
- Lost In Space Forever → Self (also archive footage)
- The Weird Al Show (TV)
- Space Cases (TV)
- The Monkey Prince → Sam (voice)
- Underground Adventure → Sam (voice)
- Three Wishes → Neighbor
- The Fantasy Worlds of Irwin Allen → Self - Host
- Babylon 5 (TV) → Lennier
- Space Ghost Coast to Coast (TV)
- The Steven Banks Show (TV) → Billy Mumy
- A Bewitched Christmas → Michael (as Billy Mumy)
- Diagnosis: Murder (TV) → Parker Craddick
- Star Trek: Deep Space Nine (TV) → Kellin
- Animaniacs (TV) → The Farmer (voice)
- Batman: The Animated Series (TV) → The Fox (voice)
- Double Trouble → Bob
- The Ren & Stimpy Show (TV)
- The Flash (TV) → Roger Braintree
- Captain America → Young General Fleming
- Superboy (TV)
- Zabagabee → Art Barnes
- Matlock (TV) → Dr. Irwin Bruckner
- Hard to Hold → The James Roberts Band - Keyboard
- Twilight Zone: The Movie → Tim
- Fish Heads
- Sunshine Christmas → Weaver
- Saturday Night Live (TV) → Art Barnes (uncredited)
- Sunshine (TV) → Weaver
- The Rockford Files (TV) → Trask
- The Rockford Files: Backlash of the Hunter → Nick Butler
- Papillon → Lariot
- Sunshine → Weaver
- Bless the Beasts & Children → Lawrence Teft
- Rascal → Sterling North
- Lancer (TV)
- Wild in the Streets → Boy (uncredited)
- I Dream of Jeannie (TV) → Custer
- Lost in Space (TV) → Will Robinson
- Dear Brigitte → Erasmus 'Ras' Leaf
- Lost in Space - No Place to Hide → Will Robinson
- Bewitched (TV) → Michael
- The Munsters (TV)
- For the Love of Willadean → Freddy Gray
- The Fugitive (TV) → David Taft
- The Greatest Show on Earth (TV) → Jeff
- Vacation Playhouse (TV) → Chris Williams
- A Child Is Waiting → Child
- Palm Springs Weekend → Boom Boom Yates
- A Ticklish Affair → Alex Martin
- The Alfred Hitchcock Hour (TV) → Tony Mitchell
- The Virginian (TV) → Willy
- Going My Way (TV)
- The Eleventh Hour (TV)
- Sammy, the Way-Out Seal → Petey Loomis
- Dr. Kildare (TV) → Jeffey
- Ben Casey (TV)
- Kraft Mystery Theatre (TV)
- Tammy Tell Me True → Neil Bateman
- The Wizard of Baghdad → Aladdin
- National Velvet (TV)
- The Twilight Zone (TV) → Billy Bayles
- The Twilight Zone (TV) → Anthony Fremont
- The Twilight Zone (TV) → Young Pip
- Perry Mason (TV) → Miles
- Wagon Train (TV) → Toddy
- Have Gun, Will Travel (TV) → Little Boy at Carlton Hotel
- Alfred Hitchcock Presents (TV) → Jackie Chester
- Alfred Hitchcock Presents (TV) → Mickey Hollins
- The Wonderful World of Disney (TV) → Petey Loomis
- The Wonderful World of Disney (TV) → Freddy Gray
- Letter to Loretta (TV) → Rennie
- Letter to Loretta (TV) → Jimmy Harrison
- General Electric Theater (TV) → Buzz
- The Jack Benny Program (TV) → Little Boy Who Weighs Himself