Reb Brown
Captain America / Steve Rogers
Connie Sellecca
Dr. Wendy Day
Len Birman
Dr. Simon Mills
Katherine Justice
Helen Moore
Christopher Cary
Prof. Ian Ilson
Ken Swofford
Everett Bliss
William Mims
Dr. J. Brenner
Lachelle Chamberlain
Young Girl
David S. Cass Sr.
Milt (uncredited)
Bud Davis
Les (uncredited)
Timothy O'Hagan
Cal (uncredited)