Michael Callan
Dr. Alec Considine
Cliff Robertson
Dr. John Paul Otis
James MacArthur
Dr. Lew Worship
Suzy Parker
Lisa Cardigan
Nick Adams
Dr. Sid Lackland
Haya Harareet
Dr. Madolyn Bruckner
Anne Helm
Mildred
Stefanie Powers
Gloria Mead
Buddy Ebsen
Dr. Sidney Wohl
Telly Savalas
Dr. Dominic Riccio
Connie Gilchrist
Connie Dean
Katharine Bard
Vicky Flynn
Kaye Stevens
Didi Loomis
Angela Clarke
Mrs. Auer
Gregory Morton
Dr. Hugo Granchard
Mary Grace Canfield
Pharmacy Nurse
Harry Holcombe
Dr. Hempner
Jesslyn Fax
Mrs. Hitchcock
Brian G. Hutton
Dr. Joe Parelli
Bill Gunn
Rosco
William Douglas
Dr. Apschult
Hope Sansberry
Grey Lady
Don Marshall
Intern
Baruch Lumet
Byrd
Jud Taylor
Dr. Van Wyck
Juli Reding
Party Girl (uncredited)