Here is a list of the cast of the show:
<br><br>
Raymond Burr ....  Perry Mason (1957-1966)
<br>
Barbara Hale ....  Della Street
<br> 
William Hopper ....  Paul Drake
<br>
William Talman ....  Dist. Atty. Hamilton Burger
<br> 
Richard Anderson ....  Lt. Steve Drumm (1965-1966)
<br> 
Morris Ankrum ....  Judge (1957-1964)
<br> 
Willis Bouchey ....  Judge (1960-1966)
<br> 
Connie Cezan ....  Gertie Lade (Mason's receptionist) (1957-)
<br> 
Ray Collins ....  Lt. Arthur Tragg (1957-1965)
<br> 
Michael Fox ....  Autopsy Surgeon (1959-1966)
<br> 
Richard Gaines ....  Judge (1958-1961)
<br> 
John Gallaudet ....  Judge (1959-1966)
<br> 
Jack Gargan ....  Court Clerk (1957-1958)
<br> 
Jack Harris ....  Court Clerk (1957-1959)
<br>
Karl Held ....  David Gideon (1960-1962)
<br> 
Pitt Herbert ....  Autopsy Surgeon (1959-1962)
<br> 
Charles Irving ....  Judge (1961-1965)
<br> 
S. John Launer ....  Judge (1958-1966)
<br>
Wesley Lau ....  Lt. Andy Anderson (1961-1965)
<br> 
Nelson Leigh ....  Judge (1959-1964)
<br>
Kenneth MacDonald ....  Judge (1957-1966)
<br> 
Lee Miller ....  Sgt. Brice (1957-1966) 
<br>
Mort Mills ....  Sgt. Ben Landro (1961-1965)
<br> 
Grandon Rhodes ....  Judge (1957-1966) 
<br>
George E. Stone ....  Court Clerk (1958-1962) 
<br>
Charles Stroud ....  Court Clerk (1961-1965)
<br> 
Dan Tobin ....  Terrence Clay (1965-1966)
<br>
Frank Wilcox ....  Judge (1957-1958)
<br><br>
&#169; - IMDB