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"Ron Howard - Richie Cunningham (Seasons 1–7)"

Happy Days
Happy Days
Happy Days is an American television sitcom that aired on ABC from January 15, 1974 to July 19, 1984 with a total of 255 half-hour episodes spanning 11 seasons. Created by Garry Marshall, it was one of the most successful series of the 1970s. The series presented life in the 1950s and early 1960s Midwestern United States, where it also featured an ensemble cast, starring Ron Howard as Richie Cunni
"Ron Howard - Richie Cunningham (Seasons 1–7)"
"Henry Winkler - Arthur "The Fonz/Fonzie" Fonzarelli (Seasons 2–11; recurring: 1)"
"Tom Bosley - Howard Cunningham"
"Erin Moran - Joanie Cunninham (Seasons 3–11; recurring: 1–2)"
"Marion Ross - Marion Cunningham"
"Anson Williams - Warren "Potsie" Weber"
"Donny Most - Ralph Malph (Seasons 2–7; recurring: 1)"
"Al Molinaro - Al Delvecchio (Seasons 5–9; recurring: 4)"
"Scott Baio - Chachi Arcola (Seasons 5–11)"
"Lynda Goodfriend - Lori Beth Cunningham (Seasons 8–9; recurring: 5–7)"
"Ted McGinley - Roger Phillips (Seasons 10–11; recurring: 8–9)"
"Cathy Silvers - Jenny Piccalo (Seasons 10; recurring: 8–9)"