Olan Soule

Dr. Clement C. Moore (voice)

Barbara Eiler

Mrs. Moore (voice)

Hal Smith

Dr. Sawyer (voice)

Virginia Gregg

Gretchen (voice)

Laura Turnbull

(voice)

Shari Turnbull

(voice)

Douglas Crowther

(voice)

Diana Lee

Soloist (voice)

Thurl Ravenscroft

Soloist (voice)

Bill Cole

Soloist (voice)

Eleanor Geffert

Soloist (voice)

Julia Rinker

Soloist (voice) (as Julie Rinker)