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)