as Merrill Grant
as Bernie Marr
as Dr. Christopher Webber
as White
as Dr. Martin
as Frank Stevens
as Harry Jackson
as Miles Amory
as Self
as Barone
as Dist. Atty. Tom Knight
as Ansel - Seven-Up
as Jack Dennis
as Cliff Barnes
as Willie
as Harlan Richards
as Richard Clarion
as Barney
as L. D. Ryan
as Mr. Simpson
as Dr. Charles Canton
as Buffalo Bill Cody
as Dr. Freeman
as Arthur Strickland
as Jerry
as John Surratt
as Frank Mahoney
as Alex Ericson
as Alex Ridlin
as William P. Bissell
as Duke Fallon
as Keith Dunn
as Jack Wilks
as Mr. Zwicki
as Mr. Payton
as Dr. Slade
as Don Bartlett
as Bernie Green
as Ray Fromm
as Teddy Maclay
as Professor Lacey
as Richard Osbourne
as Charlie
as Al Bremmer
as Acting Student (uncredited)
as District Attorney
as Rutherford Lovejoy
