which cartoons were voiced by the second voice actor mentioned above?
"The Flintstones" and numerous other Disney animated films.
Verna Felton
Verna Felton (July 20, 1890December 14, 1966) was an American actress who was best known for providing many voices in numerous Disney animated films, as well as voicing Pearl Slaghoople in Hanna-Barbera's "The Flintstones" (1962–1963).

She also had roles in live-action films; however, she was most active in radio programs. She was known for her husky voice and no-nonsense attitude. Two of her most famous roles were as Mrs. Day on "The Jack Benny Program" (1939–1962) and as Hilda Crocker on the CBS sitcom "December Bride" (1952–1959).
who plays the voice of alice in wonderland Kathryn Beaumont does the voice in the animated film. who are other cast members? The other voice actors were Sterling Holloway, Verna Felton, and Ed Wynn. in which medium has the last voice actor worked? In radio, drama and films which programs in the first medium did he contribute to? "The Fire Chief" which cartoons characters did he voice? His caricature in "Shuffle Off to Buffalo" and "I've Got to Sing a Torch Song"; and as a pot of jam in the Betty Boop short "Betty in Blunderland".
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Verna Felton [SEP] Introduction
Verna Felton (July 20, 1890December 14, 1966) was an American actress who was best known for providing many voices in numerous Disney animated films, as well as voicing Pearl Slaghoople in Hanna-Barbera's "The Flintstones" (1962–1963). She also had roles in live-action films; however, she was most active in radio programs. She was known for her husky voice and no-nonsense attitude. Two of her most famous roles were as Mrs. Day on "The Jack Benny Program" (1939–1962) and as Hilda Crocker on the CBS sitcom "December Bride" (1952–1959).