Suggestions by @patrickmccormack

Greg Burson

as Additional voices in Smallfoot (1967)

Score: +1

Don Messick

as Pilot in Smallfoot (1967)

Score: +1

Margaret Rutherford

as Mama Bear in Smallfoot (1967)

Score: +1

Casey Kasem

as Garry in Smallfoot (1967)

Score: +1

Pat Buttram

as Thorp in Smallfoot (1967)

Score: +1

Daws Butler

as Fleem in Smallfoot (1967)

Score: +1

June Foray

as Brenda in Smallfoot (1967)

Score: +1

Janet Waldo

as Kolka in Smallfoot (1967)

Score: +1

Don Rickles

as Dorgle in Smallfoot (1967)

Score: +2

Wilt Chamberlain

as Gwangi in Smallfoot (1967)

Score: +1

Louis Armstrong

as Stonekeeper in Smallfoot (1967)

Score: +1

Eartha Kitt

as Meechee in Smallfoot (1967)

Score: +1

Paul Soles

as Percy in Smallfoot (1967)

Score: +1

Mickey Rooney

as Migo in Smallfoot (1967)

Score: +1

Maury Laws

as Composer in Abominable (1969)

Score: +1

Arthur Rankin, Jr.

as Producer in Abominable (1969)

Score: +1

Paul Frees

as Teenage Boy, Van Driver, Jin Impersonator, Merchant, Everest's humming voice in Abominable (1969)

Score: +1

Keye Luke

as Yak Leader in Abominable (1969)

Score: +1

Carolyn Jones

as Yi's mother in Abominable (1969)

Score: +2

June Foray

as Dr. Zara in Abominable (1969)

Score: +1