John Beal as Dr. Paul Beecher

Coleen Gray as Carol Butler

Kenneth Tobey as Buck Donnelly

Lydia Reed as Betsy Beecher

Dabbs Greer as Dr. Will Beaumont

Herb Vigran as Sgt. George Ryan

Paul Brinegar as Willy Warner

Ann Staunton as Marion Wilkins

James Griffith as Henry Winston

Hallene Hill as Mrs. Carrie Dietz (uncredited)

Raymond Greenleaf as Autopsy Surgeon (uncredited)

Wood Romoff as Dr. Matthew J. Campbell (uncredited)

Brad Morrow as Tommy (uncredited)

Mauritz Hugo as Joe, the Waiter (uncredited)

Anne O'Neal as Marion's Housekeeper (uncredited)

Louise Lewis as Mrs. Miller (uncredited)

Arthur Gardner as Anesthetist (uncredited)

Natalie Masters as Ruth (uncredited)

George Selk as Mr. Spine (uncredited)

Christine Rees as Jennie (uncredited)

Walter Merrill as Carl James (uncredited)

Carl Sklover as Gravedigger (uncredited)

Michael Jeffers as Bartender (uncredited)

Chet Brandenburg as Restaurant Patron (uncredited)