
Cast
1929–1997 · United States
5 shows

1996 · ABC · Ended
as Sam Delaney (voice)

1991 · Nickelodeon · Ended
as Louis "Lou" Pickles aka "Grandpa" (voice)

1987 · NBC · Ended
as Frank Macklin

1976 · ABC · Ended
as John Bosley

1972 · CBS · Ended
as Walter Fitzgerald
Main cast roles from TVmaze. Guest appearances aren't listed.