Who is the actor in "Rings", "Roseanne", and "The Big Bang Theory"?
Rings (2017 film): Rings is a 2017 American supernatural psychological horror film directed by F. Javier Gutiérrez, written by David Loucka, Jacob Aaron Estes and Akiva Goldsman and starring Matilda Lutz, Alex Roe, Johnny Galecki, Aimee Teegarden, Bonnie Morgan and Vincent D'Onofrio. Johnny Galecki:  He is known for playing David Healy in the ABC sitcom "Roseanne" from 1992 to 1997 and Dr. Leonard Hofstadter in the CBS sitcom "The Big Bang Theory" since 2007.
Johnny Galecki