Ladd followed this success with a series of films including The Sad Horse (1959), A Dog of Flanders (1960), Raymie (also 1960) and Misty (1961), as well as appearing in numerous television shows including Bonanza, Zane Grey Theatre, and Shirley Temple's Story Book Theatre (as Tom Sawyer). Ladd was again included in Film Daily's Filmdom's Famous Five in 1961 for A Dog of Flanders. Ladd's other feature film credits include RPM (1970), The Day of the Locust (1975), The Treasure of Jamaica Reef (1975), Jonathan Livingston Seagull (1977) and The Wild Geese (1978).