Al Hyslop (b. September 4, 1925), also known as Alfred Hyslop, was a producer on Sesame Street, having first joined Children's Television Workshop as a consultant for the international co-productions. He joined the American series as producer in 1978 for Season 10. He became executive producer for Season 11, overseeing the Puerto Rican episodes, and Season 12, he was CTW's Vice President of Production (usually sharing the title with David Connell). He remained in that position through Season 19 and also served as executive producer of 3-2-1 Contact. For Sesame Street, Hyslop also co-wrote the song "Small 'B'" (with Joe Romano).
Hyslop was born in California but educated in England, studying acting and performing on stage there and in New York. He appeared on Broadway in the 1949 play A Shop at Sly Corner, starring Boris Karloff. After gaining some television experience in the program department of Associated- Rediffusion in London, Hyslop returned to New York and worked for CBS Television. He joined Captain Kangaroo in 1958, first as a production assistant, then associate producer, and then taking over from Jon Stone as producer. He even returned to acting by playing Inspector de Meer in the special serialized episodes "Missing Paint Mystery," shot in Curacao in 1969.