Collings started her career in 1955 at the Independent Theatre under Dame Doris Fitton and also trained in ballet and jazz, under Ronne Arnold.
By 1960, she had joined the Ensemble Theatre under producer and director Hayes Gordon, appearing in numerous plays including a production of Neil Simons, Last of the Red Hot Lovers, directed by Jon Ewing, Absurd Person Singular and Doctor in the House.
[1] Collings is best known for her long-running stint as a presenter for Play School on the Australian Broadcasting Corporation (ABC) from 1969 until 1999.
[7] In addition to her position as an Australian children's television presenter, Collings has been a screen performer, appearing in many of Australian television dramas, including Homicide, Division 4, Matlock Police, The Restless Years, The Sullivans, The Young Doctors, Sons and Daughters, Rafferty's Rules and A Country Practice amongst others.
[9] Collings has expressed her concern with modern children being glued to technology rather than forming a connection with humans.