Anthony Accardo
(voice)
Norman Henry (7 episodes)
Benjamin Franklin (voice) (2 episodes)
voice (1 episode)
Dr. Noah Wolf (2 episodes)
Rufus Cotesworth (10 episodes)
Vilna Lutz (voice)
Benjamin Franklin (voice) (2 episodes)
Hal Wackner (10 episodes)
Inigo Montoya
Self (2 episodes)
Self - Guest (1 episode)
Mel Gurner
Irwin Dempsey
Mr. Tushman
Papa Smurf (voice)
Jordan Berman
Duke Kipiani
Saul Berenson (96 episodes)
Basil (voice)
Sir Jago Larofsky
Self - Presenter (1 episode)
Stanley Irving (voice)
Self - Guest (1 episode)
Jason Gideon (47 episodes)
Al Cummings
Rube Sofer (29 episodes)
Levi March / Glenn Fordyce (1 episode)
Joseph Papp
Isaac Rice (1 episode)
The Driver / Satan (1 episode)
Narrator (voice) (1 episode)
Kenneth Duberstein
Hippocrates (voice) (1 episode)
Philip Kleinman
Andrew
Dr. Harry Hyman (1 episode)
Quasimodo
Dr Henry Hyman
Self - Guest (1 episode)
Hugh St. John Alastair Parkfield (voice) (1 episode)
Dr. Jeffrey Geiger (1 episode)
Brother Daniel
Jeffrey Geiger (52 episodes)
Jim Nashe
Irate Man
Murray
Alfred De Musset
John Palmeri
88 Keys
Det. Samuel 'George' Francisco
Inigo Montoya
Georges Seurat / George
Buddy Plummer (1 episode)
Nick
Avigdor
Paul Isaacson
Tateh
Allesandro the Cabbie
Sayyid
First Commuter
Beaudine Croft
Pool Man