O'Malley (voice)
Phil Harris
Duchess (voice)
Eva Gabor
Toulouse (voice)
Gary Dubin
Frou-Frou (voice)
Nancy Kulp
Napoleon (voice)
Pat Buttram
Lafayette (voice)
George Lindsey
Abigail (voice)
Monica Evans
Amelia (voice)
Carole Shelley
Lawyer (voice)
Charles Lane
Madame (voice)
Hermione Baddeley
Butler (voice)
Roddy Maude-Roxby
Uncle Waldo (voice)
Bill Thompson
Roquefort (voice)
Sterling Holloway
Frou-Frou (singing voice) (uncredited)
Ruth Buzzi
Cat Screeches (uncredited)
June Foray
Clarence Nash
Milkman / Le Petit Café Cook / Truck Movers (voice) (uncredited)
Peter Renaday
Scat Cat (voice)
Scatman Crothers
Chinese Cat (voice)
Paul Winchell
English Cat (voice)
Lord Tim Hudson
Italian Cat (voice)
Vito Scotti
Russian Cat (voice)
Thurl Ravenscroft
Berlioz (voice)
Dean Clark
Marie (voice)
Liz English
Director
Wolfgang Reitherman
Producer
Animation
John Lounsbery
Screenplay
Vance Gerry
Winston Hibler
Songs
Robert B. Sherman
Ken Anderson
Director of Photography
Eric Larson
Frank Thomas
Ollie Johnston
Milt Kahl
Richard M. Sherman
Julius Svendsen
Larry Clemmons
Eric Cleworth
Editor
Tom Acosta
Ralph Wright
Original Music Composer
George Bruns
Sound Supervisor
Robert O. Cook