Barbara Luddy

Lady (voice)

Larry Roberts

Tramp (voice)

Peggy Lee

Darling / Si / Am / Peg (voice)

Bill Thompson

Jock / Bull / Policeman at Zoo / Dachsie / Joe (voice)

Bill Baucom

Trusty (voice)

Stan Freberg

Beaver (voice)

Verna Felton

Aunt Sarah (voice)

Alan Reed

Boris (voice)

George Givot

Tony (voice)

Dal McKennon

Toughy / Professor / Pedro / Hyena (voice)

Lee Millar

Jim Dear / Dog Catcher (voice)

Thurl Ravenscroft

Al the Gator (voice)

Jerry Mann

Pet Shop Assistant (voice) (uncredited)