Amelia Wren
Pierre Rennes
Antonia
Charlie
John Trew
James Glaisher
Ned Chambers
Airy
Charles Green
Arthur Glaisher
Ethel Glaisher
Poppy
Aunt Frances
Antonia's Daughter
Posey the Dog
Meteorologist (voice)
Oxford Scientist (uncredited)
Villager Mary (uncredited)
Man in Street (uncredited)
Ballroom Dancing Gentleman (uncredited)
Shoe Shine Boy (uncredited)
(uncredited)
Passerby (uncredited)
Scientist (uncredited)
Boy (uncredited)
Royal Society Man (uncredited)
Tabatha (uncredited)
Child Servant (uncredited)
Upper Class Lady (uncredited)
Scientist of Royal Society (uncredited)
Street Doctor (uncredited)
Middle Class Gentleman (uncredited)
David Brewster - Royal Society Scientist (uncredited)
Seamstress (uncredited)
Aunt Frances's Husband (uncredited)
Posh Lady (uncredited)
Royal Society Member (uncredited)
balloon engineer (uncredited)
Gentleman of the Royal Society (uncredited)
Royal Society Men (uncredited)
English Gentleman (uncredited)
Stallholder (uncredited)
Vauxhall Gardens Goer (uncredited)
Violinist: Orchestra Leader in Waltz Scene (uncredited)