John Mills was "Tunes of Glory" (1960), a military drama directed by Ronald Neame co-starring Alec Guinness. Mills' performance earned him a Best Actor Award at the Venice Film Festival. Walt Disney saw "Tiger Bay" and offered Hayley Mills the lead role in "Pollyanna" (1960). Disney also offered John Mills the lead in the adventure film "Swiss Family Robinson" (1960), which was a huge hit. He did "Ross" (1960–61) on stage. The Rank Organisation insisted Mills play the role of the priest in "The Singer Not the Song" (1961) opposite Dirk Bogarde. Mills and Baker reteamed on an interracial drama "Flame in
Hayley Mills "The King and I". In December 2007, for their annual birthday celebration of "The Master", "The Noël Coward Society" invited Mills as the guest celebrity to lay flowers in front of Coward's statue at New York's "Gershwin Theatre", thereby commemorating the 108th birthday of Sir Noel. In 2012 Mills starred as Ursula Widdington in the stage production of "Ladies in Lavender" at the Royal & Derngate Theatre, before embarking on a national UK tour. In 2015, Mills toured Australia with sister Juliet Mills and Maxwell Caulfield in the comedy "Legends!" by James Kirkwood. Mills starred in the 2018 Off-Broadway run