McVitie the Conductor (voice)

Man on Phone (voice)

Additional Voices (voice)

Slob Guy / Civil War Ghost (voice)

Newscaster (voice)

Officer Danny Finn (1 episode)

Dr. Dennis Blair (1 episode)

Additional Voices (voice)

Jarvis

Jack Powers (20 episodes)

Dr. Jack Preijers (1 episode)

John Scali

Russell Lynchburg (2 episodes)

Nick

Detective Todd Holman

Howard Heller (1 episode)

Agent Neff (1 episode)

DA Horowitz (1 episode)

Burton (2 episodes)

Anthony Fiano (2 episodes)

Mr. Delk (1 episode)

(1 episode)

Dr. Breen (1 episode)

Detective Seybolt

Roger Drummond (1 episode)

Dr. Hammond (1 episode)

(4 episodes)

Dulmur (1 episode)

(2 episodes)

(1 episode)

Mr. Donner (20 episodes)

Professor Aaron Martin (1 episode)

Stan (1 episode)

Special Agt. Matthew Dickerson (1 episode)

(voice)

Gaye (1 episode)

Herman Hathaway

Eric Chandler

Dr. Raines (1 episode)

Tom Waterman

(1 episode)

Father Monroe (1 episode)

Joel

R. Judson Kimbrough

Voice Talent (voice)

Nick

(1 episode)

Evan Phillips (1 episode)

(1 episode)

Additional Voices (voice)

(1 episode)

(1 episode)

Dr. Dorfman

Student

Peter

MacGillicudy (17 episodes)

Announcer

Nacio Herb Zipser

Scott Lasher

Leonard (2 episodes)

George Plummer (1 episode)

(6 episodes)

Lt. Rollins (1 episode)

(2 episodes)

Cos

Mark Pavelich

Emigrant Boy

(1 episode)

Tom Fenton

Kabek