Sloane was born in Manhattan on October 1, 1909, to Nathaniel I. Sloane and Rose (Gerstein) Sloane.[1][2] Aged seven, he played Puck in a production of William Shakespeare's A Midsummer Night's Dream at Manhattan's Public School 46, and decided to become an actor.[3] He completed two years[4] at the University of Pennsylvania, and left in 1927 to join Jasper Deeter's Hedgerow Theatre repertory company. He made his New York stage debut in 1928. Sloane took a Wall Street job as a stockbroker's runner, but when his salary was cut in half after the stock market crash of 1929, he began to supplement his income with radio work. He became the sleuth's assistant on WOR's Impossible Detective Mysteries,[3] played the title character's sidekick, Denny, in Bulldog Drummond[5] and went on to perform in thousands of radio programs.[6]
Sloane married Lillian (Luba) Herman, a stage and radio actress, on January 4, 1933, in Manhattan.[3][7][8]
Sloane's radio work led him to be hired by Orson Welles to become part of his Mercury Theatre. Sloane recorded one program with The Mercury Theatre on the Air and became a regular player when the show was picked up by a sponsor and became The Campbell Playhouse. Sloane moved with the rest of the company to Los Angeles to continue recording the show after Welles signed his contract with RKO Pictures. In 1941, Sloane played Mr. Bernstein in Welles' first movie, Citizen Kane. After filming had wrapped, Sloane returned to New York to perform (together with fellow Kane stars Ray Collins and Paul Stewart) in Mercury Theatre's last play, Richard Wright's Native Son, which had 114 performances from March to June 1941.[13] Although he did not appear in Welles's second film, The Magnificent Ambersons, in 1943, he joined fellow Mercury Theatre alumni Welles, Joseph Cotten, Agnes Moorehead, and Ruth Warrick in Journey into Fear. In 1947, Sloane also starred as villainous lawyer Arthur Bannister in The Lady from Shanghai, produced and directed by Welles, who also starred. He played an assassin in Renaissance-era Italy opposite Welles' Cesare Borgia in Prince of Foxes (1949).
Sloane portrayed a doctor for paraplegic World War II veterans in 1950's The Men with Marlon Brando (in his film debut).
Sloane's Broadway theater career ended in 1960 with From A to Z, a revue for which he wrote several songs. In between, he acted in plays such as Native Son (1941), A Bell for Adano (1944), and Room Service (1953), and directed the melodramaThe Dancer (1946).
Sloane performed renditions of passages from The Great Gatsby on the NBC program devoted to F. Scott Fitzgerald in August 1955, part of the "Biography in Sound" series on great American authors.
Sloane appeared in Walt Disney's Zorro series in 1957–1958 as Andres Felipe Basilio, in the "Man from Spain" episodes. He also appeared in a few episodes of Bonanza and an episode inRawhide.
On March 7, 1959, he guest-starred in an episode of NBC's Cimarron City titled "The Ratman", appearing alongside the show's star, John Smith.[15] Later that same year, Sloane appeared as a guest in "Stage Stop", the premiere episode of John Smith's second NBC Western series, Laramie.[16] He played the vengeful, grieving father Tate Bradley on "Wanted: Dead or Alive" S2 E10 "Reckless" which aired 11/6/1959.
In 1961, Sloane appeared in an episode of The Asphalt Jungle. In the early 1960s, he voiced the title character of The Dick Tracy Show in 130 cartoons. Beginning in 1964, he provided character voices for the animated TV series Jonny Quest. He also starred in the ABC sci-fi television series Voyage to the Bottom of the Sea, in the episode "Hot Line". He wrote the unused lyrics to "The Fishin' Hole", the theme song for The Andy Griffith Show. Sloane guest-starred on the show in 1962, playing Jubal Foster in the episode "The Keeper of the Flame". He starred in both the film and television versions of Rod Serling's Patterns, and in the first season of The Twilight Zone in the episode "The Fever" . He guest starred as a San Francisco attorney in the 1962 Perry Mason episode "The Case of the Poison Pen Pal".
In 1963, he guest-starred on The Dick Van Dyke Show in the episode "I'm No Henry Walden" as writer Henry Walden. That same year he starred in the episode "Quint's Trail" on the TV Western Series Gunsmoke (S9E7) as Cyrus Neff, a concerned father taking his family to Oregon for a new life after his daughter killed a man for forcibly taking her.
Death
Sloane committed suicide at age 55 on August 6, 1965; he took an overdose of barbiturates because he feared he was going blind[17] as a result of glaucoma.[18] Sloane's cremated remains are interred at Angelus-Rosedale Cemetery in Los Angeles.[19][20]
^Katz, Ephraim; Klein, Fred; Nolan, Ronald Dean (1998). The Film Encyclopedia. New York City: HarperPerennial. p. 1271. ISBN978-0-06-273492-1.
^Ancestry.com. New York, New York, Marriage Index 1866–1937 [database on-line]. Provo, UT, US: Ancestry.com Operations, Inc., 2014. Retrieved December 30, 2014