Featured Characters:

• Captain America (Steven Rogers) (First appearance)

Supporting Characters:

• Dr. Simon Mills (First appearance)
• Dr. Wendy Day (First appearance)

Other Characters:

• Tina Hayden (First appearance)
• Rudy Sandrini (First appearance)
• Charles Barber (First appearance)
• Lou Brackett (First appearance)
• FBI (First appearance)
• Captain America (Steve Rogers' father) (Mentioned)

Locations:

• Earth-600043 (First appearance)
  • Earth (First appearance)
    • United States of America (First appearance)

Items:

• F.L.A.G. (Full Latent Ability Gain) (First appearance)
• Captain America's Shield (First appearance)
• Captain America's Uniform (First appearance)

Vehicles:

• Captain America's Motorcycle (First appearance)
• Steve Rogers' Van (First appearance)

• Reb Brown as Captain America (Steven Rogers)
• Heather Menzies as Dr. Wendy Day
• Len Birman as Dr. Simon Mills
• Robin Mattson as Tina Hayden
• Joseph Ruskin as Rudy Sandrini
• Lance LeGault as Harley
• Frank Marth as Charles Barber
• Steve Forrest as Lou Brackett
• Chip Johnson as Jerry
• James Ingersoll as Lester Wiant
• Dan Barton - Jeff Hayden