Barbara Frawley

Dot (voice)

Joan Bruce

The Kangaroo / Mother (voice)

Spike Milligan

Mr. Platypus (voice)

June Salter

Mrs. Platypus (voice)

Ross Higgins

Willie Wagtail (voice)

Ron Haddrick

Father (voice)

Richard Meikle

Jack, the Farmhand (voice)

Lola Brooks

(voice)

Peter Gwynne

(voice)