Inner Sanctum is a 30-minute U.S. television anthology series based upon "Inner Sanctum Mystery", the radio series of the same name.
 Thirty-nine episodes aired on the National Broadcasting Company in 1954.
 It was created and produced by Himan Brown.
 Its host/narrator was Paul McGrath.
The Whistler is a 30-minute U.S. television anthology mystery series, based on the radio series of the same name.
 Thirty-nine episodes were produced and aired on CBS from 1954-55.
 William Forman was both narrator and the voice of "The Whistler."
 Notable guest stars included Maureen O'Sullivan, Lon Chaney Jr, Miriam Hopkins, Patric Knowles, Howard Duff, and John Ireland.
Armchair Mystery Theatre is a 60-minute UK television anthology mystery series.
 Thirty-four episodes aired
Maureen Paula O'Sullivan (17 May 1911 – 23 June 1998) was an Irish actress best known for playing Jane in the "Tarzan" series of films starring Johnny Weissmuller.
Invitation Playhouse: Mind Over Matter is a U.S. television anthology series.
 Twelve episodes aired in 1952, all directed by William Asher.
 Among its writers was the later renowned writer-director, Blake Edwards.
 Guest stars included Strother Martin, Timothy Carey, and Lupita Tovar, mother of actress Susan Kohner and grandmother of writer/directors Chris Weitz and Paul Weitz.
Target is a 30-minute U.S. television anthology series produced by Ziv Television Programs, Inc. for first-run syndication.
 A total of 38 episodes were aired in 1958.
Panic!
, broadcast as No Warning!
 during its second season, is a half-hour American television anthology series.
 Its thirty-one aired on NBC from 1957 to 1958.
 The series host was Westbrook Van Voorhis.
 Among notable guest stars were James Mason, James Whitmore, Trevor Bardette, Barbara Billingsley, Paul Burke (actor), William Fawcett, Vivi Janiss, Mercedes McCambridge, Ann Rutherford, Ray Teal, and Carolyn Jones.
Windows is a 30-minute US dramatic anthology television series.
 Eight episodes aired live from New York City on CBS in 1955 as a summer replacement for Edward R. Murrow's "Person to Person" series.
 Notable guest stars included Geraldine Page, Melvyn Douglas, Anthony Perkins, and Jason Robards.
London Playhouse is a UK television anthology series that aired from 1955-56.
 There were a total of twenty-five episodes.
 Among its writing credits include Tad Mosel, N. Richard Nash, Henry James, Robert Lowell, and Robert Alan Aurthur.
 Guest stars included Edward Mulhare, Sylvia Syms, Stephen Boyd, and Lionel Jeffries.
 Only seven of the episodes are known to still exist, nevertheless this is a higher survival rate than many other UK series of the mid-1950s.
Sure as Fate is a 60-minute American anthology mystery drama series that aired on CBS from 1950–51.
 It was produced live and was narrated by Paul Lukas.
 Its guest stars included Robert Cummings, E.G. Marshall, Kim Stanley, John Carradine, Douglas Fairbanks, Jr., Leslie Nielsen, and Marsha Hunt.
 Among its directors was later-to-be movie star, Yul Brynner.

Question: The Whistler is a 30-minute U.S. television anthology mystery series, based on the radio series of the same name, notable guest stars included which Irish actress, best known for playing Jane in the "Tarzan" series of films?
Answer: Maureen Paula O'Sullivan