A veteran character actor who became a familiar face on television and was best known for his long run on the PBS children’s show "The Electric Company" has died. According to The Hollywood Reporter, Luis Avalos, who played Doctor Doolots and other characters on the kids show, died Wednesday at 67 after recently suffering a heart attack.

The Cuban-born Avalos was a part of "Electric Company" from its second season until the show signed off in 1977, the story reports.

"The Havana native also appeared as Dr. Thomas Esquivel on 21 episodes of the NBC drama ‘ER’ and as Principal Rivas on the ABC comedy ‘Hangin’ With Mr. Cooper,’ and he had regular roles on the series … ‘Condo,’ ‘I Had Three Wives’ and ‘Resurrection Blvd.,’" the report notes. "Other shows on which he appeared included ‘The Jeffersons,’ ‘Soap,’ ‘Full House,’ ‘Hill Street Blues,’ ‘NYPD Blue,’ ‘Jack & Bobby’ and ‘JAG.’"

Avalos also worked in films, appearing in "The Butcher’s Wife," "Jungle 2 Jungle," "Hollywood Homicide" and others.

"In 2000, Avalos founded the Americas Theatre Arts Foundation in Los Angeles and served as its artistic director to support productions of Latin American-inspired dramas," the report adds.

Luis Avalos