Paul Schrier plays as Bulk in Power Rangers.
Paul Schrier is the top #1 member of the cast and appears in 338 episodes.

Jason Narvy plays as Skull in Power Rangers.
Jason Narvy is the top #2 member of the cast and appears in 293 episodes.

​From Wikipedia, the free encyclopedia Jason David Frank (born September 4, 1973) is an American actor, martial artist and professional mixed martial arts fighter, best known for playing Tommy Oliver in Power Rangers. Description above from the Wikipedia article Jason David Frank, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Jason David Frank plays as Tommy Oliver in Power Rangers.
Jason David Frank is the top #3 member of the cast and appears in 289 episodes.

Kelson Henderson plays as Cruise (voice), Phineas, Flit, Norg, Mig (voice), Boom, Mick Kanic in Power Rangers.
Kelson Henderson is the top #4 member of the cast and appears in 254 episodes.

Barbara Goodson plays as Prince Sprocket (voice), Orbus (voice), Rita Repulsa (voice) in Power Rangers.
Barbara Goodson is the top #5 member of the cast and appears in 253 episodes.

Kerrigan Mahan plays as Goldar (voice), Magna Defender (voice) in Power Rangers.
Kerrigan Mahan is the top #6 member of the cast and appears in 250 episodes.

Robert Axelrod, also credited as Axel Roberts and Myron Mensah, was an American actor. He was primarily known for his voice work, which included Digimon, having started voice acting for the English-language versions of anime in 1980; providing the voice of Lord Zedd, the main antagonist of the Mighty Morphin Power Rangers; and Finster, the original Mighty Morphin Power Rangers monster maker. He also portrayed a Paul McCartney look-alike on the popular sitcom Family Matters, and later in his career appeared in several productions by comedy duo Tim & Eric.

Robert Axelrod plays as Finster (voice), Lord Zedd (voice) in Power Rangers.
Robert Axelrod is the top #7 member of the cast and appears in 248 episodes.

From Wikipedia, the free encyclopedia David Harold Yost (born January 7, 1969) is an American actor and producer known for his role of Billy Cranston on the television series Mighty Morphin Power Rangers, Mighty Morphin Power Rangers: The Movie and Power Rangers Zeo. Description above from the Wikipedia article David Yost, licensed under CC-BY-SA, full list of contributors on Wikipedia.

David Yost plays as Billy Cranston in Power Rangers.
David Yost is the top #8 member of the cast and appears in 205 episodes.

Richard Genelle plays as Ernie in Power Rangers.
Richard Genelle is the top #9 member of the cast and appears in 205 episodes.

Richard Steven Horvitz is a voice actor known for voicing Invader Zim, Billy, and Chilled.

Richard Steven Horvitz plays as Alpha 5 (voice) in Power Rangers.
Richard Steven Horvitz is the top #10 member of the cast and appears in 205 episodes.