Dick Van DykeDick Van Dyke was 66 in Diagnosis Murder: Diagnosis of Murder as 'Mark Sloan'.
Barry Van DykeBarry Van Dyke was 40 in Diagnosis Murder: Diagnosis of Murder as 'Steve Sloan'.
Cynthia GibbCynthia Gibb was 28 in Diagnosis Murder: Diagnosis of Murder as 'Amanda Bentley'.
Stephen CaffreyStephen Caffrey was 32 in Diagnosis Murder: Diagnosis of Murder as 'Jack Parker'.
Bill BixbyBill Bixby was 57 in Diagnosis Murder: Diagnosis of Murder as 'Nick Osborne'.
Mariette HartleyMariette Hartley was 51 in Diagnosis Murder: Diagnosis of Murder as 'Kate Hamilton'.
Ken KerchevalKen Kercheval was 56 in Diagnosis Murder: Diagnosis of Murder as 'Frank Stevens'.
William AthertonWilliam Atherton was 44 in Diagnosis Murder: Diagnosis of Murder as 'Eric Walker'.
Brynn ThayerBrynn Thayer was 42 in Diagnosis Murder: Diagnosis of Murder as 'Anita Clifford'.
Vernee Watson-JohnsonVernee Watson-Johnson was 37 in Diagnosis Murder: Diagnosis of Murder as 'Esther Wiggins'.
Michael MacRaeMichael MacRae was 42 in Diagnosis Murder: Diagnosis of Murder as 'Mr. Foss'.
Richard RedlinRichard Redlin was >> in Diagnosis Murder: Diagnosis of Murder as 'Russell Cord'.
Shane MeierShane Meier was 14 in Diagnosis Murder: Diagnosis of Murder as 'Paul McKinney'.Arthur DuncanArthur Duncan was 58 in Diagnosis Murder: Diagnosis of Murder as 'Mr. Simms'.
Eliza RobertsEliza Roberts was 38 in Diagnosis Murder: Diagnosis of Murder as 'Mrs. McKinney'.
Shannon MarketicShannon Marketic was 20 in Diagnosis Murder: Diagnosis of Murder as 'Jackie Cole (uncredited)'.Christopher HiblerChristopher Hibler was 49 in Diagnosis Murder: Diagnosis of Murder as 'Director'Dean HargroveDean Hargrove was 53 in Diagnosis Murder: Diagnosis of Murder as 'Writer'Joyce BurdittJoyce Burditt was >> in Diagnosis Murder: Diagnosis of Murder as 'Creator'