From The TV IV
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For the unrelated 2010 drama with the same name, see The Defenders (2010).
|E.G. Marshall||Lawrence Preston||1||2||3||4|
|Robert Reed||Kenneth Preston||1||2||3||4|
|Joan Hackett||Joan Miller||1|
|Polly Rowles||Helen Donaldson||1|
|Season One||September 16, 1961||May 26, 1962||32|
|Season Two||September 15, 1962||May 25, 1963||34|
|Season Three||September 28, 1963||June 27, 1964||36|
|Season Four||September 24, 1964||May 13, 1965||30|
- At a Glance: Additional information about the series