Bill Mumy

The D-Con Chamber

Self · (1 episode)

Space Command Redemption

Greg Mazzey

Babylon 5: The Road Home

Lennier (voice)

Toon In with Me

Self · (1 episode)

What We Left Behind: Looking Back at Star Trek: Deep Space Nine

Self

Lost in Space

Real Dr. Smith · (1 episode)

Lost in Space

Dr. Zachary Smith · (1 episode)

The Loud House

Timothy Mccole · (1 episode)

Bravest Warriors

Ralph Waldo Pickle Chips · (12 episodes)

Ben 10: Ultimate Alien

Agent Bryson (voice) · (1 episode)

The Face is Familiar

Narrator

Holly Hobbie and Friends: Surprise Party

Bud Morris (voice)

Holly Hobbie and Friends: Christmas Wishes

Bud Morris / Judge #1 (voice)

A.I. Assault

Major Keith

Look, Up in the Sky! The Amazing Story of Superman

Self

Holly Hobbie & Friends

Bud Morris (voice) · (6 episodes)

Derailroaded

Self

Ringers: Lord of the Fans

Self

Comic Book: The Movie

Bill Mumy

The Twilight Zone

Anthony Fremont · (1 episode)

What's New, Scooby-Doo?

Harry Noze (voice) · (1 episode)

Larry 'Wild Man' Fischer

Self

Crossing Jordan

Paper Shredder Operator · (1 episode)

TVography

(19 episodes)

Buzz Lightyear of Star Command

Eon (voice) · (2 episodes)

Behind The Dementia

himself

Attack of the 50 Foot Monster Mania

Narrator

Lost In Space Forever

Self (also archive footage)

The Weird Al Show

(1 episode)

The Monkey Prince

Sam (voice)

Underground Adventure

Sam (voice)

Space Cases

(1 episode)

Three Wishes

Neighbor

The Steven Banks Show

Billy Mumy · (1 episode)

Space Ghost Coast to Coast

(1 episode)

Babylon 5

Lennier · (110 episodes)

Diagnosis: Murder

Parker Craddick · (1 episode)

Star Trek: Deep Space Nine

Kellin · (1 episode)

Batman: The Animated Series

The Fox (voice) · (1 episode)

Double Trouble

Bob

The Ren & Stimpy Show

(1 episode)

Captain America

Young General Fleming

The Flash

Roger Braintree · (1 episode)

Superboy

(3 episodes)

Zabagabee

Art Barnes

Matlock

(1 episode)

Hard to Hold

The James Roberts Band - Keyboard

Twilight Zone: The Movie

Tim

Fish Heads

Sunshine Christmas

Weaver

Sunshine

Weaver · (13 episodes)

The Rockford Files

Trask · (1 episode)

The Rockford Files

Nick Butler

Papillon

Lariot

Sunshine

Weaver

Bless the Beasts & Children

Lawrence Teft

Rascal

Sterling North

Lancer

(1 episode)

Wild in the Streets

Boy

I Dream of Jeannie

Custer · (1 episode)

Lost in Space

Will Robinson · (83 episodes)

Dear Brigitte

Erasmus 'Ras' Leaf

Lost in Space - No Place to Hide

Will Robinson

The Munsters

(1 episode)

Bewitched

Michael · (3 episodes)

For the Love of Willadean

Freddy Gray

Palm Springs Weekend

Boom Boom Yates

The Fugitive

David Taft · (1 episode)

The Greatest Show on Earth

Jeff · (1 episode)

A Ticklish Affair

Alex Martin

Vacation Playhouse

Chris Williams · (1 episode)

A Child Is Waiting

Child

Sammy, the Way-Out Seal

Petey Loomis

Going My Way

(1 episode)

The Eleventh Hour

(1 episode)

The Alfred Hitchcock Hour

Tony Mitchell · (1 episode)

The Virginian

Willy · (1 episode)

Ben Casey

(1 episode)

Dr. Kildare

Jeffey · (1 episode)

Tammy Tell Me True

Neil Bateman

Kraft Mystery Theatre

(1 episode)

The Wizard of Baghdad

Aladdin

National Velvet

(1 episode)

The Twilight Zone

Billy Bayles · (1 episode)

The Twilight Zone

Anthony Fremont · (1 episode)

The Twilight Zone

Young Pip · (1 episode)

Perry Mason

Miles · (1 episode)

Wagon Train

Toddy · (1 episode)

Have Gun, Will Travel

Little Boy at Carlton Hotel · (1 episode)

Alfred Hitchcock Presents

Jackie Chester · (1 episode)

Alfred Hitchcock Presents

Mickey Hollins · (1 episode)

The Wonderful World of Disney

Petey Loomis · (2 episodes)

The Wonderful World of Disney

Freddy Gray · (2 episodes)

Letter to Loretta

Rennie · (1 episode)

Letter to Loretta

Jimmy Harrison · (1 episode)

General Electric Theater

Buzz · (1 episode)

The Jack Benny Program

Little Boy Who Weighs Himself · (1 episode)