Trivia: The son of vaudeville and burlesque performers, George O'Hanlon made his own stage bow as a dancer at age 16 -- only to be fired after a few weeks over a salary dispute. O'Hanlon made the rounds in summer stock and burlesque, then registered with Hollywood's Central Casting as a film extra in the early '30s. While hoofing away in the choruses of many a Warner Bros. musical, O'Hanlon took acting lessons at the Bliss-Hayden theater in Beverly Hills. His big break came when he was hired by fledgling director Richard Bare for a U.S.C.-subsidized short subject, So You Want to Give Up Smoking (1942). After the war, O'Hanlon and Bare teamed for a series of shorts for Warners release; informally titled Behind the Eight Ball, these one-reel gems starred O'Hanlon as benighted "everyman" Joe McDoakes. This popular series ran from 1946 through 1955, amassing a total of 56 entries, three of which were nominated for Academy Awards. Outside of his McDoakes assignments, O'Hanlon appeared as Gillis in 45 episodes of the 1950s TV sitcom The Life of Riley, and also wrote and directed several installments of such TV weeklies as The Roaring 20s, 77 Sunset Strip, and Petticoat Junction. He played supporting roles in films like The Hucksters (1946), The Tanks are Coming (1951), and Kronos (1957), and directed the 1959 Tommy Noonan/Pete Marshall vehicle The Rookies. Children of the 1960s will remember George O'Hanlon as the voice of George Jetson on the Hanna-Barbera prime-time cartoon series The Jetsons.

Trivia: The daughter of a journalist and the niece of former U.S. Postmaster General James Farley, Penny Singleton spent a good portion of her childhood singing "illustrated" songs at Philadelphia movie theaters. After briefly attending Columbia University, Singleton -- billed under her given name, Dorothy McNulty -- made her Broadway debut as the energy-charged soubrette in the popular 1927 musical Good News. She repeated this vivacious performance in the 1930 film version, then settled into "other woman" and gold digger parts, the best of which was in 1936's After the Thin Man. Upon her marriage to dentist Lawrence Singleton, Singleton changed her professional name. When Shirley Deane was unable to play the title role in Columbia's 1938 filmization of Chic Young's comic strip Blondie, Singleton dyed her hair blonde to qualify for the part. She ended up starring in 28 Blondie B-pictures between 1928 and 1950, with Arthur Lake co-starring as hubby Dagwood Bumstead. During this period, she married for the second time to Blondie producer Robert Sparks. When Blondie folded, Singleton returned to the nightclub singing and dancing work that she'd been doing in the mid-'30s. As an officer in the American Guild of Variety Artists (AGVA), Singleton lobbied for better and more equitable treatment of professional chorus dancers, a stance that earned her several powerful enemies in management (and the Mob). Inactive as a performer for several years, Singleton returned to acting in the early '60s, playing a supporting part in The Best Man (1964) and providing the voice of Jane Jetson on the prime-time animated TV series The Jetsons. Penny Singleton later revived her Jane Jetson characterization for several theatrical and made-for-TV animated features, and also appeared in a cameo role on the weekly Angela Lansbury series Murder She Wrote.

Trivia: Janet Waldo was a star of radio in the mid-1940s (at age 23) in the role of Corliss Archer, a typical American teenager. Twenty years later, Waldo became identified for another generation (or two) as the voice of the quintessential teenage girl Judy Jetson on the prime-time cartoon show The Jetsons. Born in Yakima, WA, in 1918, Waldo had a love of theater and acting from an early age, and while growing up, she participated in plays put on by her church. Her family had an artistic bent on both sides: her mother was a singer trained at the Boston Conservatory while her father, a railroad executive, was a descendant of Ralph Waldo Emerson, and her sister Elizabeth was later a violin virtuoso who also appeared in movies. Waldo attended the University of Washington, where she engaged in student theatricals and won a special award in her freshman year. A distinguished alumnus -- Bing Crosby -- was visiting at the time, and they met when he presented her with the award. With him was a Paramount talent scout, ever on the lookout for new additions to the studio's stable of actors, who got Waldo signed up for a screen test and a role in the Crosby comedy The Star Maker. She was soon a bit player at the studio, but still waiting for her big break. That break ended up coming from radio rather than movies, however, on the Cecil B. DeMille-produced Radio Theatre, working with Merle Oberon and George Brent. Waldo's voice and range as an actress seemed to blossom when heard over the airwaves, and by 1943, at age 23, Waldo was starring or co-starring in Meet Corliss Archer, One Man's Family, The Gallant Heart, and Star Playhouse, as well as playing the cigarette girl on both The Red Skelton Show and People Are Funny; she also played roles on the Edward G. Robinson series The Big Town. Over the ensuing final great decade of radio, she worked on Dr. Christian, Silver Theater, Ozzie & Harriet, and Railroad Hour, although she never took as many roles as she might have. Waldo married writer/director/producer Robert E. Lee, who later achieved renown in the theater as the co-author, with Jerome Lawrence, of Inherit the Wind, First Monday in October, and Auntie Mame. The couple soon had a family to raise, and she turned down a great number of roles after that, even declining the offer to play Corliss Archer when the series jumped to television at the start of the 1950s. Waldo continued working in radio and subsequently did voice-over work in addition to returning to the theater. In the early '60s, as an established voice artist, she was chosen to portray the role of Judy Jetson in the prime-time cartoon series The Jetsons, produced and directed by William Hanna and Joseph Barbera. Waldo took on the role, and has been known to a generation of baby boomer cartoon fans as Judy Jetson ever since, even returning to the role for later episodes of the series shot in the ensuing decades. She also made headlines in 1989, when, in a decision made by Universal Pictures and William Hanna, her voice was wiped from the audio track of Jetsons: The Movie so that she could be replaced by the singer Tiffany. Waldo got in the last word, however, in 2004, when, at age 83, she provided commentary for two episodes on The Jetsons: The Complete First Season DVD set from Warner Home Video. Waldo died in 2016, at age 96.