Suggestions by @jakubduda

Michael Gambon

as Sir David Attenborough in Steve Irwin: The Crocodile Hunter and Legend

Anthony Hopkins

as David Bellamy in Steve Irwin: The Crocodile Hunter and Legend

Tatsuya Nakadai

as David Suzuki in Steve Irwin: The Crocodile Hunter and Legend

Sam Neill

as Bob Irwin in Steve Irwin: The Crocodile Hunter and Legend

Sam Neill

as Mark Townend in Steve Irwin: The Crocodile Hunter and Legend

Ryan Gosling

as Philippe Cousteau Jr. in Steve Irwin: The Crocodile Hunter and Legend

Sam Worthington

as John Stainton in Steve Irwin: The Crocodile Hunter and Legend

AnnaSophia Robb

as Lyn Irwin in Steve Irwin: The Crocodile Hunter and Legend

Simon Baker

as Steve Irwin in Steve Irwin: The Crocodile Hunter and Legend

Scott Eastwood

as Wes Mannion in Steve Irwin: The Crocodile Hunter and Legend

Wes Mannion

as Wes Mannion (Authentic Records) in Steve Irwin: The Crocodile Hunter and Legend

Grace Warrior Irwin

as Grace Warrior Irwin Powell in Steve Irwin: The Crocodile Hunter and Legend

Bindi Irwin

as Bindi Irwin (Authentic Records) in Steve Irwin: The Crocodile Hunter and Legend

Robert Irwin

as Robert Irwin (Authentic Records) in Steve Irwin: The Crocodile Hunter and Legend

Bob Irwin

as Bob Irwin (Authentic Records) in Steve Irwin: The Crocodile Hunter and Legend

Robert De Niro

as Bob Irwin in Steve Irwin: The Crocodile Hunter and Legend

Claire Holt

as Terri Irwin in Steve Irwin: The Crocodile Hunter and Legend

Chris Hemsworth

as Steve Irwin in Steve Irwin: The Crocodile Hunter and Legend

Terri Irwin

as Terri Irwin (Authentic Records) in Steve Irwin: The Crocodile Hunter and Legend

Steve Irwin

as Steve Irwin (Authentic Records) in Steve Irwin: The Crocodile Hunter and Legend