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