Henry Baines (6 episodes)
Bob Young (11 episodes)
Kenneth H. Dahlberg (1 episode)
Chip Gold (5 episodes)
President Lacey (3 episodes)
Vincent Duke (2 episodes)
Malcolm (1 episode)
Frank Dillon (3 episodes)
Jake McCrary (2 episodes)
Biology Teacher
Russell
Dr. Samuels (1 episode)
Riggs' Therapist
Chet Antieau
Bob Terrier (1 episode)
Rogers (2 episodes)
Head Mixer (2 episodes)
Guidance Counselor
Boat Owner
Dr. Spitz
Senator Louis Laffer (21 episodes)
Mr. Bateman (1 episode)
Kevin Haynes (1 episode)
Attorney Limpett (1 episode)
Spoon Guy
Ernie Appleby
Scott Price (1 episode)
Dr. Kagan (1 episode)
Barney Reilly (1 episode)
NASA Director Schaumburg (1 episode)
David Garvin (uncredited)
Detective Foushee
Doctor
Lawyer
Principal Snark
Professor Emmett Glaser (1 episode)
Max Sullivan (1 episode)
Alan Gardener (1 episode)
Stuart
Donald Wharton (1 episode)
Dr. Farris (3 episodes)
Edwin
Sasha Nichols (1 episode)
George Petri (1 episode)
Contest Official
Aubrey Shifren (1 episode)
Lionel Purdy
Pete
Deke Connors (4 episodes)
Roger Pasquese (6 episodes)
Herb Sunderson
Mr. Sheridan (1 episode)
Mr. Reese
Mr. Luce
Norm Gunderson
Hotel Manager
Christopher Murphy (1 episode)
Mr. Healy (1 episode)
Red Faced Man
Ron Cabot
Ronnie
Dr. Reiner
Robot Repairman
Sanford Jewison
Dr. Griffiths (1 episode)
Bradley
Captain
Dr. Spickett (1 episode)
Hotel Clerk
Mel Schwartz (1 episode)
Klipspringer
Vincent (1 episode)
John Dough, Judge #1
Vice-Principal Ron Bell
Eddie "The Expert" Pitts
Desk Clerk (uncredited)
Morgue Technician
Doctor
Mike / Laertes in "Hamlet"
NASA Tech
William
Men's Store Salesman
Mr. Robinson (1 episode)
Howard
Executive Producer
Carl Corlett
Wall Street Businessman
Guard #3
Marc Connelly
Shawn
Roy Benson
Boyish Cop
Lyle
Burton (1 episode)
Ned Lasky (1 episode)
CSU Supervisor (1 episode)
CSU Technician #1 (1 episode)
CSU Technician (1 episode)
Redding (1 episode)
Redding
Toothy
Legal Assistant
Deke Connors (12 episodes)