Bruce Kellogg

Character: Wright Thompson, Jr.

Otto Waldis

Character: Dr. Max A. Bauer

Jim Bannon

Character: Andrew "Andy" Ostergaard

Tom Handley

Character: Dr. James Paxton

Dick Cogan

Character: Dr. George Coleman

George Baxter

Character: Carlisle Foundation Chairman

Marilyn Nash

Character: Dr. Joan Lindsey

Victor Kilian

Character: Dr. Jeremiah Morley (uncredited)