Cast of The World's Greatest Athlete

Jan-Michael Vincent plays Nanu, the talented athlete discovered by Coach Sam Archer.

Tim Conway portrays Milo Jackson, who is involved in the athletic journey.

John Amos takes on the role of Coach Sam Archer, the coach who discovers Nanu's athletic talent.

Roscoe Lee Browne plays Gazenga, a character in the movie.

Dayle Haddon embodies the character Jane in the film.

Billy De Wolfe portrays Dean Maxwell in the movie.

Nancy Walker appears as Mrs. Petersen in the film.

Vito Scotti plays a Games spectator in the movie.

Howard Cosell appears as Himself - Announcer in the film.

Frank Gifford portrays Himself - Announcer in the movie.

Jim McKay appears as Himself - Announcer in the film.

Dorothy Shay takes on a role in the movie.