Prof. James K. Howard / Josiah Kessel (24 episodes, 1971-1972)
Martha Howard (24 episodes, 1971-1972)
Peter Howard (24 episodes, 1971-1972)
Wendy Howard (24 episodes, 1971-1972)
Teddy Howard (24 episodes, 1971-1972)
Jake Howard (24 episodes, 1971-1972)
Dr. Luther Quince (24 episodes, 1971-1972)
Mrs. Bullard (4 episodes, 1971)
Karpopolis (4 episodes, 1971-1972)
Agatha Dwiggins / Mrs. Dwiggins (3 episodes, 1971-1972)
Lansworth / Norman Lanswerth (3 episodes, 1971)
Admiral Decker / Harris Crofton (2 episodes, 1971-1972)
Woodrow Yamada (2 episodes, 1971)
Candy Jar / Lala Brodu (2 episodes, 1972)
Harris / Professor Henry Duncan (2 episodes, 1971-1972)
Janice Morton (2 episodes, 1971)
Ida Levin (2 episodes, 1971)
Fred Shimmel (2 episodes, 1971)
Bert / Police Sergeant (2 episodes, 1972)
Mr. Beck / Waiter (2 episodes, 1972)
Mr. Grover / The Burglar (2 episodes, 1972)
Roxy (1 episode, 1971)
Prof. Josef Lokacs (1 episode, 1971)
Uncle Everett (1 episode, 1971)
Joyce Gibbs (1 episode, 1971)
Clyde Fister (1 episode, 1971)
Millard Tishboy (1 episode, 1971)
Vincent Price (1 episode, 1972)
Bertha Lang (1 episode, 1972)
Johnny Crown (1 episode, 1972)
Lydia Harper (1 episode, 1972)
Claude Peebles (1 episode, 1972)
Holly (1 episode, 1972)
Coach Wylie (1 episode, 1972)
Lionel Atkins (1 episode, 1971)
Oscar Pettywhistle (1 episode, 1971)
Station Attendant (1 episode, 1971)
Garvey Hike (1 episode, 1971)
Mayor Bodeen (1 episode, 1971)
The Waiter (1 episode, 1971)
Mike Carruthers (1 episode, 1972)
The Judge (1 episode, 1972)
Captain Roy (1 episode, 1972)
Perry (1 episode, 1972)
Officer Gadboy (1 episode, 1971)
Quigley (1 episode, 1971)
Halsted (1 episode, 1971)
Salvador Vega (1 episode, 1971)
Donna Haley (1 episode, 1971)
The Butler (1 episode, 1971)
Minerva Walbash (1 episode, 1971)
Mrs. Mills (1 episode, 1971)
Lucy Carruthers (1 episode, 1972)
Police Captain (1 episode, 1972)
Judson Hopkins (1 episode, 1972)
Detective Crandall (1 episode, 1972)
Dr. Scully (1 episode, 1972)
Kenny (1 episode, 1972)
Sally Hunt (1 episode, 1972)
Mother Howard (1 episode, 1971)
Laundry Manager (1 episode, 1971)
Mrs. Josiah Kessel (1 episode, 1971)
Big Mother (1 episode, 1971)
Danton (1 episode, 1971)
Woman Professor (1 episode, 1971)
Joyce Cone (1 episode, 1972)
Ernest Digby (1 episode, 1972)
Phineas Cobb (1 episode, 1972)
Bronco Lewis (1 episode, 1972)
Caddy (1 episode, 1972)
Wanda Jurgensen (1 episode, 1972)
Harriet (1 episode, 1972)
Sid (1 episode, 1972)
Dr. Golden (1 episode, 1972)
The Councilman (1 episode, 1972)
Headwaiter (1 episode, 1972)
Susie (1 episode, 1972)
Mr. Bell (1 episode, 1971)
Wes (1 episode, 1972)
Fanny (1 episode, 1972)
Cigarette Girl (1 episode, 1972)
The Reporter (1 episode, 1972)
Lloyd (1 episode, 1972)
Leo Garvey (1 episode, 1971)
Ralph Handley (1 episode, 1972)
Party Guest / Boosters Club Member / Crew Member (uncredited) (4 episodes, 1971-1972)
Club Member / Faculty Member (uncredited) (2 episodes, 1971-1972)
Restaurant Patron / Waiter (uncredited) (2 episodes, 1971-1972)
Theatre Patron (uncredited) (1 episode, 1971)
Boosters Club Member (uncredited) (1 episode, 1971)
Club Member (uncredited) (1 episode, 1972)
Diner Patron (uncredited) (1 episode, 1972)