Barbara Luddy as Lady (voice)

Larry Roberts as Tramp (voice)

Peggy Lee as Darling / Si / Am / Peg (voice)

Bill Thompson as Jock / Bull / Policeman at Zoo / Dachsie / Joe (voice)

Bill Baucom as Trusty (voice)

Stan Freberg as Beaver (voice)

Verna Felton as Aunt Sarah (voice)

Alan Reed as Boris (voice)

George Givot as Tony (voice)

Dal McKennon as Toughy / Professor / Pedro (voice)

Lee Millar as Jim Dear / Dog Catcher (voice)

Thurl Ravenscroft as Al the Gator (voice)