Hayley Mills
Patti Randall
Acting
Dean Jones
Zeke Kelso
Acting
Dorothy Provine
Ingrid Randall
Acting
Roddy McDowall
Gregory Benson
Acting
Frank Gorshin
Iggy
Acting
Neville Brand
Dan
Acting
Elsa Lanchester
Mrs. MacDougall
Acting
William Demarest
Mr. MacDougall
Acting
Richard Eastham
Supervisor Newton
Acting
Grayson Hall
Margaret Miller
Acting
Tom Lowell
Canoe Henderson
Acting
Richard Deacon
Drive-in-Manager
Acting
Iris Adrian
Landlady
Acting
Liam Sullivan
Graham
Acting
Don Dorrell
Spires
Acting
Gene Blakely
Cahill
Acting
Karl Held
Kelly
Acting
Ed Wynn
Mr. Hofstedder
Acting
Larry J. Blake
Police Officer (uncredited)
Acting
John Cliff
FBI Agent Hart (uncredited)
Acting
D.C. Benny
Siamese Cat (uncredited)
Acting
Ben Lessy
Drive-In Concessionaire (uncredited)
Acting