Bill Mumy

Saturday Night Live

Art Barnes (uncredited)

Perry Mason

Miles

Diagnosis: Murder

Parker Craddick

Star Trek: Deep Space Nine

Kellin

Crossing Jordan

Paper Shredder Operator

The Loud House

Timothy Mccole

Babylon 5

Lennier

Wagon Train

Toddy

The Fugitive

David Taft

Have Gun, Will Travel

Little Boy at Carlton Hotel

Bewitched

Michael

The Rockford Files

Trask

Batman: The Animated Series

The Fox (voice)

Matlock

Dr. Irwin Bruckner

Animaniacs

The Farmer (voice)

Dr. Kildare

Jeffey

The Alfred Hitchcock Hour

Tony Mitchell

The Virginian

Willy

The Twilight Zone

Anthony Fremont

The Twilight Zone

Billy Bayles

The Twilight Zone

Young Pip

I Dream of Jeannie

Custer

Ben Casey

Buzz Lightyear of Star Command

Eon (voice)

The Munsters

Ben 10: Ultimate Alien

Agent Bryson (voice)

The Jack Benny Program

Little Boy Who Weighs Himself

The Twilight Zone

Anthony Fremont

The Twilight Zone

Story

Lost in Space

Real Dr. Smith

Lost in Space

Dr. Zachary Smith

Space Ghost Coast to Coast

Self

Lost in Space

Will Robinson

The Ren & Stimpy Show

What's New, Scooby-Doo?

Harry Noze (voice)

Alfred Hitchcock Presents

Jackie Chester

Alfred Hitchcock Presents

Mickey Hollins

The Flash

Roger Braintree

Lancer

Bravest Warriors

Ralph Waldo Pickle Chips

The Wonderful World of Disney

Petey Loomis

The Wonderful World of Disney

Freddy Gray

The Greatest Show on Earth

Jeff

Vacation Playhouse

Chris Williams

Roswell Conspiracies: Aliens, Myths & Legends

Writer

Toon In with Me

Self

Papillon

Lariot

The Eleventh Hour

The D-Con Chamber

Self

Superboy

Letter to Loretta

Rennie

Letter to Loretta

Jimmy Harrison

Going My Way

The Weird Al Show

Twilight Zone: The Movie

Tim

Kraft Mystery Theatre

National Velvet

The Steven Banks Show

Billy Mumy

General Electric Theater

Buzz

Space Cases

Space Cases

Creator

Holly Hobbie & Friends

Bud Morris (voice)

A Child Is Waiting

Child

Captain America

Young General Fleming

Babylon 5: The Road Home

Lennier (voice)

Sunshine

Weaver

Three Wishes

Neighbor

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

Self

Double Trouble

Bob

Bless the Beasts & Children

Lawrence Teft

Wild in the Streets

Boy (uncredited)

For the Love of Willadean

Freddy Gray

Comic Book: The Movie

Bill Mumy

The Wizard of Baghdad

Aladdin

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

Self

Ringers: Lord of the Fans

Self

The Rockford Files: Backlash of the Hunter

Nick Butler

Sunshine

Weaver

The Face is Familiar

Narrator

Holly Hobbie and Friends: Christmas Wishes

Bud Morris / Judge #1 (voice)

Sammy, the Way-Out Seal

Petey Loomis

Tammy Tell Me True

Neil Bateman

Archie

Larry

Space Command Redemption

Greg Mazzey

A.I. Assault

Major Keith

Sunshine Christmas

Weaver

Lost in Space Forever

Self (also archive footage)

Lost in Space Forever

Writer

Holly Hobbie and Friends: Surprise Party

Bud Morris (voice)

Palm Springs Weekend

Boom Boom Yates

A Ticklish Affair

Alex Martin

The Fantasy Worlds of Irwin Allen

Self - Host

Dear Brigitte

Erasmus 'Ras' Leaf

Boom! Hollywood's Greatest Disaster Movies

Self - Host

A Bewitched Christmas

Michael (as Billy Mumy)

Hard to Hold

The James Roberts Band - Keyboard

Fish Heads

Fish Heads

Musician

The Monkey Prince

Sam (voice)

Derailroaded

Self

Zabagabee

Art Barnes

Zabagabee

Writer

Rascal

Sterling North

Lost in Space - No Place to Hide

Will Robinson

Attack of the 50 Foot Monster Mania

Narrator

TVography

Underground Adventure

Sam (voice)

Behind the Dementia

himself

Larry 'Wild Man' Fischer

Self