Suggestions by @themegacaster

Edgar Wright

as Director in The Greatest American Hero: Believe It Or Not

Colin Hanks

as Adam T. Hauser in The Greatest American Hero: Believe It Or Not

Jahzir Bruno

as Cyler Johnson in The Greatest American Hero: Believe It Or Not

Ragnarok (Thor Story-line)

as Next Project: in The Greatest American Hero: Believe It Or Not

Unknown Child Actress

as Alicia Griffeth-Hinkley in The Greatest American Hero: Believe It Or Not

William Katt

as The President in The Greatest American Hero: Believe It Or Not

Ulrich Thomsen

as “The Mutation” in The Greatest American Hero: Believe It Or Not

Thaddeus E. "Thunderbolt" Ross (Red Hulk)

as “The Mutation” in The Greatest American Hero: Believe It Or Not

Spoiler

as “The Mutation” in The Greatest American Hero: Believe It Or Not

Amelie Child-Villiers

as Rhonda Blake in The Greatest American Hero: Believe It Or Not

Ulrich Thomsen

as Thunderbolt Ross in The Greatest American Hero: Believe It Or Not

Joel McHale

as Stilt-Man in The Greatest American Hero: Believe It Or Not

Marc Thompson

as The Aliens in The Greatest American Hero: Believe It Or Not

Trevante Rhodes

as Falcon in The Greatest American Hero: Believe It Or Not

Mark Hamill

as Arnim Zola in The Greatest American Hero: Believe It Or Not

Rob Liefeld

as Senator Liefeld in The Greatest American Hero: Believe It Or Not

Matthew Daddario

as Mandrill in The Greatest American Hero: Believe It Or Not

Jessica Henwick

as Pam Davidson in The Greatest American Hero: Believe It Or Not

Ed Skrein

as Great White Shark in The Greatest American Hero: Believe It Or Not

Winston Duke

as Killer Croc in The Greatest American Hero: Believe It Or Not