Jake and the Fatman is an American crime drama television series starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. Created by Dean Hargrove, Joel Steiger and Ann Doherty, the series ran on CBS for five seasons from September 26, 1987, to May 6, 1992. Diagnosis: Murder was a spin-off of this series.

William Conrad was an American actor, producer, and director whose entertainment career spanned five decades in radio, film, and television, peaking in popularity when he starred in the detective series Cannon.